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Climate and Average Weather Year Round at Chhatrapati Shivaji International Airport India

At Chhatrapati Shivaji International Airport, the wet season is oppressive, windy, and overcast; the dry season is muggy and mostly clear; and it is hot year round. Over the course of the year, the temperature typically varies from 66°F to 92°F and is rarely below 60°F or above 97°F.

Based on the beach/pool score, the best times of year to visit Chhatrapati Shivaji International Airport for hot-weather activities are from mid January to mid April and from mid November to early January.

Climate at Chhatrapati Shivaji International Airport

hothotJanFebMarAprMayJunJulAugSepOctNovDecNowNow85%85%16%16%clearovercastprecipitation: 23.2 inprecipitation: 23.2 in0.0 in0.0 inmuggy: 100%muggy: 100%12%12%beach/pool score: 8.6beach/pool score: 8.62.92.9
Chhatrapati Shivaji International Airport weather by month. Click on each chart for more information.

The temperature at Chhatrapati Shivaji International Airport varies so little throughout the year that it is not entirely meaningful to discuss hot and cold seasons.

Average High and Low Temperature at Chhatrapati Shivaji International Airport

Average High and Low Temperature at Chhatrapati Shivaji International AirportJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F110°F110°FJan 1686°FJan 1686°FOct 2992°FOct 2992°F66°F66°F76°F76°FJul 286°FJul 286°FSep 1486°FSep 1486°F72°F72°F80°F80°F78°F78°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High 86°F87°F90°F91°F91°F89°F86°F85°F87°F91°F91°F88°F
Temp. 76°F77°F81°F84°F86°F85°F82°F82°F82°F84°F82°F78°F
Low 66°F68°F73°F78°F82°F81°F79°F79°F78°F77°F73°F69°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature at Chhatrapati Shivaji International Airport

Average Hourly Temperature at Chhatrapati Shivaji International AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMNowNowcomfortablecomfortablewarmhothotcomfortablecomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Darwin, Australia (4,513 miles away) is the far-away foreign place with temperatures most similar to Chhatrapati Shivaji International Airport (view comparison).

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At Chhatrapati Shivaji International Airport, the average percentage of the sky covered by clouds experiences extreme seasonal variation over the course of the year.

The clearer part of the year at Chhatrapati Shivaji International Airport begins around October 12 and lasts for 7.4 months, ending around May 24.

The clearest month of the year at Chhatrapati Shivaji International Airport is February, during which on average the sky is clear, mostly clear, or partly cloudy 84% of the time.

The cloudier part of the year begins around May 24 and lasts for 4.6 months, ending around October 12.

The cloudiest month of the year at Chhatrapati Shivaji International Airport is July, during which on average the sky is overcast or mostly cloudy 81% of the time.

Cloud Cover Categories at Chhatrapati Shivaji International Airport

Cloud Cover Categories at Chhatrapati Shivaji International AirportclearerclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Feb 1885%Feb 1885%Jul 2816%Jul 2816%Oct 1250%Oct 1250%May 2451%May 2451%NowNowclearovercastpartly cloudymostly clearmostly cloudy
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier 20%16%17%22%43%69%81%79%62%46%32%25%
Clearer 80%84%83%78%57%31%19%21%38%54%68%75%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Chhatrapati Shivaji International Airport varies very significantly throughout the year.

The wetter season lasts 4.0 months, from June 4 to October 3, with a greater than 39% chance of a given day being a wet day. The month with the most wet days at Chhatrapati Shivaji International Airport is July, with an average of 23.1 days with at least 0.04 inches of precipitation.

The drier season lasts 8.0 months, from October 3 to June 4. The month with the fewest wet days at Chhatrapati Shivaji International Airport is March, with an average of 0.3 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone at Chhatrapati Shivaji International Airport is July, with an average of 23.1 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 77% on July 29.

Daily Chance of Precipitation at Chhatrapati Shivaji International Airport

Daily Chance of Precipitation at Chhatrapati Shivaji International AirportwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jul 2977%Jul 2977%Mar 161%Mar 161%Jun 439%Jun 439%Oct 339%Oct 339%rain
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain 0.3d0.3d0.3d0.6d3.2d17.0d23.1d20.8d16.0d6.5d1.3d0.4d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Chhatrapati Shivaji International Airport experiences extreme seasonal variation in monthly rainfall.

The rainy period of the year lasts for 6.1 months, from May 6 to November 10, with a sliding 31-day rainfall of at least 0.5 inches. The month with the most rain at Chhatrapati Shivaji International Airport is July, with an average rainfall of 23.2 inches.

The rainless period of the year lasts for 5.9 months, from November 10 to May 6. The month with the least rain at Chhatrapati Shivaji International Airport is January, with an average rainfall of 0.0 inches.

Average Monthly Rainfall at Chhatrapati Shivaji International Airport

Average Monthly Rainfall at Chhatrapati Shivaji International AirportrainJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in10 in10 in20 in20 in30 in30 in40 in40 inJul 1523.2 inJul 1523.2 inMar 310.0 inMar 310.0 inJan 230.0 inJan 230.0 inMay 60.5 inMay 60.5 inNov 100.5 inNov 100.5 in
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall 0.0″0.1″0.0″0.1″2.0″16.2″23.2″16.4″10.3″3.1″0.4″0.1″

The length of the day at Chhatrapati Shivaji International Airport varies over the course of the year. In 2024, the shortest day is December 21, with 10 hours, 59 minutes of daylight; the longest day is June 21, with 13 hours, 17 minutes of daylight.

Hours of Daylight and Twilight at Chhatrapati Shivaji International Airport

Hours of Daylight and Twilight at Chhatrapati Shivaji International AirportJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2013 hr, 17 minJun 2113 hr, 17 minJun 2112 hr, 7 minSep 2212 hr, 7 minSep 2210 hr, 59 minDec 2110 hr, 59 minDec 21nightnightdayNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight 11.1h11.5h12.0h12.6h13.0h13.3h13.1h12.8h12.2h11.7h11.2h11.0h

The earliest sunrise is at 6:00 AM on June 5, and the latest sunrise is 1 hour, 15 minutes later at 7:14 AM on January 19. The earliest sunset is at 5:59 PM on November 25, and the latest sunset is 1 hour, 21 minutes later at 7:20 PM on July 5.

Daylight saving time (DST) is not observed at Chhatrapati Shivaji International Airport during 2024.

Sunrise & Sunset with Twilight at Chhatrapati Shivaji International Airport

Sunrise & Sunset with Twilight at Chhatrapati Shivaji International AirportJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 56:00 AMJun 56:00 AM7:20 PMJul 57:20 PMJul 5Nov 255:59 PMNov 255:59 PM7:14 AMJan 197:14 AMJan 19daynightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day over the course of the year 2024. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth at Chhatrapati Shivaji International Airport

Solar Elevation and Azimuth at Chhatrapati Shivaji International AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AM0000101010102020202030303030404040405050506060707080000010101010202020203030303040404040505050606060707080804790NowNow
northeastsouthwest
Solar elevation and azimuth over the course of the year 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases.

Moon Rise, Set & Phases at Chhatrapati Shivaji International Airport

The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

Chhatrapati Shivaji International Airport experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 9.2 months, from February 28 to December 2, during which time the comfort level is muggy, oppressive, or miserable at least 34% of the time. The month with the most muggy days at Chhatrapati Shivaji International Airport is July, with 31.0 days that are muggy or worse.

The month with the fewest muggy days at Chhatrapati Shivaji International Airport is January, with 4.0 days that are muggy or worse.

Humidity Comfort Levels at Chhatrapati Shivaji International Airport

Humidity Comfort Levels at Chhatrapati Shivaji International AirportmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jan 2212%Jan 2212%100%Jul 13100%Jul 13Feb 2834%Feb 2834%Dec 234%Dec 234%NowNowmiserablemiserableoppressiveoppressivemuggymuggyhumidhumidcomfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days 4.0d6.3d17.6d26.4d30.4d29.9d31.0d31.0d29.9d26.0d15.2d6.9d

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Chhatrapati Shivaji International Airport experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 3.0 months, from May 31 to August 30, with average wind speeds of more than 10.6 miles per hour. The windiest month of the year at Chhatrapati Shivaji International Airport is July, with an average hourly wind speed of 14.5 miles per hour.

The calmer time of year lasts for 9.0 months, from August 30 to May 31. The calmest month of the year at Chhatrapati Shivaji International Airport is October, with an average hourly wind speed of 6.8 miles per hour.

Average Wind Speed at Chhatrapati Shivaji International Airport

Average Wind Speed at Chhatrapati Shivaji International AirportwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mph18 mph18 mphJul 2414.6 mphJul 2414.6 mphOct 146.7 mphOct 146.7 mphMay 3110.6 mphMay 3110.6 mphAug 3010.6 mphAug 3010.6 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph) 7.98.18.08.29.612.614.512.68.66.87.07.5

The predominant average hourly wind direction at Chhatrapati Shivaji International Airport varies throughout the year.

The wind is most often from the west for 6.5 months, from March 21 to October 4, with a peak percentage of 97% on August 4. The wind is most often from the north for 2.4 weeks, from October 4 to October 21 and for 3.3 months, from December 13 to March 21, with a peak percentage of 41% on October 13. The wind is most often from the east for 1.7 months, from October 21 to December 13, with a peak percentage of 49% on November 6.

Wind Direction at Chhatrapati Shivaji International Airport

Wind Direction at Chhatrapati Shivaji International AirportNWNENJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwesteastnorthsouth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Chhatrapati Shivaji International Airport is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average water temperature experiences some seasonal variation over the course of the year.

The time of year with warmer water lasts for 2.0 months, from April 29 to June 28, with an average temperature above 84°F. The month of the year at Chhatrapati Shivaji International Airport with the warmest water is May, with an average temperature of 85°F.

The time of year with cooler water lasts for 2.4 months, from December 25 to March 6, with an average temperature below 79°F. The month of the year at Chhatrapati Shivaji International Airport with the coolest water is January, with an average temperature of 78°F.

Average Water Temperature at Chhatrapati Shivaji International Airport

Average Water Temperature at Chhatrapati Shivaji International AirportwarmcoolJanFebMarAprMayJunJulAugSepOctNovDec74°F74°F76°F76°F78°F78°F80°F80°F82°F82°F84°F84°F86°F86°F88°F88°FMay 3186°FMay 3186°F77°FJan 2877°FJan 28Apr 2984°FApr 2984°FDec 2579°FDec 2579°FMar 679°FMar 679°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 78°F78°F80°F83°F85°F85°F83°F82°F83°F84°F82°F80°F

To characterize how pleasant the weather is at Chhatrapati Shivaji International Airport throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best time of year to visit Chhatrapati Shivaji International Airport for general outdoor tourist activities is from mid December to early March, with a peak score in the first week of February.

Tourism Score at Chhatrapati Shivaji International Airport

Tourism Score at Chhatrapati Shivaji International Airportbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.28.21.51.5NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationtourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best times of year to visit Chhatrapati Shivaji International Airport for hot-weather activities are from mid January to mid April and from mid November to early January, with a peak score in the second week of March.

Beach/Pool Score at Chhatrapati Shivaji International Airport

Beach/Pool Score at Chhatrapati Shivaji International Airportbest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810108.68.62.92.97.97.97.77.7NowNowtemperaturetemperature cloudscloudsprecipitationprecipitationbeach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures at Chhatrapati Shivaji International Airport are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season at Chhatrapati Shivaji International Airport

Time Spent in Various Temperature Bands and the Growing Season at Chhatrapati Shivaji International AirportJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%100%Jan 1100%Jan 1100%Jul 2100%Jul 2NowNowcomfortablewarmhotcool
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

Growing Degree Days at Chhatrapati Shivaji International Airport

Growing Degree Days at Chhatrapati Shivaji International AirportJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F2,000°F2,000°F4,000°F4,000°F6,000°F6,000°F8,000°F8,000°F10,000°F10,000°FJan 590°FJan 590°FMar 91,800°FMar 91,800°FDec 3111,261°FDec 3111,261°FNowNow
The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy experiences some seasonal variation over the course of the year.

The brighter period of the year lasts for 2.4 months, from March 6 to May 19, with an average daily incident shortwave energy per square meter above 6.7 kWh. The brightest month of the year at Chhatrapati Shivaji International Airport is April, with an average of 7.1 kWh.

The darker period of the year lasts for 2.3 months, from June 13 to August 24, with an average daily incident shortwave energy per square meter below 5.3 kWh. The darkest month of the year at Chhatrapati Shivaji International Airport is July, with an average of 4.9 kWh.

Average Daily Incident Shortwave Solar Energy at Chhatrapati Shivaji International Airport

Average Daily Incident Shortwave Solar Energy at Chhatrapati Shivaji International AirportbrightdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhApr 127.1 kWhApr 127.1 kWhJul 234.8 kWhJul 234.8 kWhMar 66.7 kWhMar 66.7 kWhMay 196.7 kWhMay 196.7 kWhJun 135.3 kWhJun 135.3 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh) 5.46.26.97.16.75.34.95.25.35.45.15.0

For the purposes of this report, the geographical coordinates of Chhatrapati Shivaji International Airport are 19.089 deg latitude, 72.868 deg longitude, and 16 ft elevation.

The topography within 2 miles of Chhatrapati Shivaji International Airport contains only modest variations in elevation, with a maximum elevation change of 177 feet and an average elevation above sea level of 36 feet. Within 10 miles contains only modest variations in elevation (1,657 feet). Within 50 miles contains very significant variations in elevation (4,029 feet).

The area within 2 miles of Chhatrapati Shivaji International Airport is covered by artificial surfaces (100%), within 10 miles by artificial surfaces (52%) and water (42%), and within 50 miles by water (52%) and cropland (27%).

This report illustrates the typical weather at Chhatrapati Shivaji International Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Chhatrapati Shivaji International Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

There are no other weather stations in our network within 200 kilometers of this location. Consequently, in the case of missing or erroneous measurements from this station, we fall back on NASA's MERRA-2 modern-era reanalysis , adjusted according to typical seasonal and diurnal differences between this station and the wide-area MERRA-2 reconstructed values.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

Please review our full terms contained on our Terms of Service page.