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Climate and Average Weather Year Round at Chiayi Airport Taiwan

At Chiayi Airport, the wet season is hot, oppressive, and overcast and the dry season is warm, humid, and mostly clear. Over the course of the year, the temperature typically varies from 56°F to 91°F and is rarely below 49°F or above 94°F.

Based on the tourism score, the best times of year to visit Chiayi Airport for warm-weather activities are from late February to mid April and from mid October to mid December.

Climate at Chiayi Airport

comfortablewarmhotwarmJanFebMarAprMayJunJulAugSepOctNovDecNowNow80%80%18%18%overcastclearprecipitation: 11.7 inprecipitation: 11.7 in0.8 in0.8 inmuggy: 100%muggy: 100%4%4%tourism score: 7.7tourism score: 7.72.92.9
Chiayi Airport weather by month. Click on each chart for more information.

The hot season lasts for 4.3 months, from May 25 to October 2, with an average daily high temperature above 87°F. The hottest month of the year at Chiayi Airport is July, with an average high of 91°F and low of 78°F.

The cool season lasts for 2.8 months, from December 11 to March 5, with an average daily high temperature below 75°F. The coldest month of the year at Chiayi Airport is January, with an average low of 56°F and high of 72°F.

Average High and Low Temperature at Chiayi Airport

Average High and Low Temperature at Chiayi AirporthotcoolcoolJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°F110°F110°FJan 2071°FJan 2071°FJul 891°FJul 891°F56°F56°F78°F78°FMay 2587°FMay 2587°FOct 287°FOct 287°FDec 1175°FDec 1175°FMar 575°FMar 575°F75°F75°F73°F73°F59°F59°F61°F61°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 72°F73°F77°F83°F87°F89°F91°F90°F89°F86°F81°F74°F
Temp. 62°F64°F68°F75°F79°F82°F84°F83°F81°F77°F71°F65°F
Low 56°F58°F63°F69°F74°F77°F78°F78°F75°F70°F65°F58°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 Chiayi Airport

Average Hourly Temperature at Chiayi 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 AMNowNowcoolcoolcoolcoolcomfortablecomfortablewarmhot
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.

South Point, Texas, United States (8,203 miles away) and South Highpoint, Florida, United States (8,577 miles) are the far-away foreign places with temperatures most similar to Chiayi Airport (view comparison).

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At Chiayi 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 Chiayi Airport begins around October 5 and lasts for 6.6 months, ending around April 22.

The clearest month of the year at Chiayi Airport is January, during which on average the sky is clear, mostly clear, or partly cloudy 78% of the time.

The cloudier part of the year begins around April 22 and lasts for 5.5 months, ending around October 5.

The cloudiest month of the year at Chiayi Airport is June, during which on average the sky is overcast or mostly cloudy 81% of the time.

Cloud Cover Categories at Chiayi Airport

Cloud Cover Categories at Chiayi AirportclearerclearercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jan 1680%Jan 1680%Jun 1218%Jun 1218%Oct 548%Oct 548%Apr 2249%Apr 2249%NowNowclearmostly clearpartly cloudymostly cloudyovercast
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 22%26%31%46%68%81%78%77%64%44%33%24%
Clearer 78%74%69%54%32%19%22%23%36%56%67%76%

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

The wetter season lasts 4.7 months, from April 30 to September 20, with a greater than 31% chance of a given day being a wet day. The month with the most wet days at Chiayi Airport is August, with an average of 15.9 days with at least 0.04 inches of precipitation.

The drier season lasts 7.3 months, from September 20 to April 30. The month with the fewest wet days at Chiayi Airport is November, with an average of 2.5 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 Chiayi Airport is August, with an average of 15.9 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 54% on August 17.

Daily Chance of Precipitation at Chiayi Airport

Daily Chance of Precipitation at Chiayi AirportwetdrydryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Aug 1754%Aug 1754%Nov 258%Nov 258%Apr 3031%Apr 3031%Sep 2031%Sep 2031%NowNowrain
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 3.5d4.9d5.9d8.1d13.2d14.6d14.3d15.9d10.6d4.0d2.5d2.7d

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. Chiayi Airport experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year at Chiayi Airport. The month with the most rain at Chiayi Airport is August, with an average rainfall of 11.2 inches.

The month with the least rain at Chiayi Airport is December, with an average rainfall of 0.8 inches.

Average Monthly Rainfall at Chiayi Airport

Average Monthly Rainfall at Chiayi AirportJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in5 in5 in10 in10 in15 in15 in20 in20 inJun 611.7 inJun 611.7 inDec 170.8 inDec 170.8 inAug 711.7 inAug 711.7 inNowNow
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 1.0″1.8″2.3″4.0″8.5″10.9″9.5″11.2″6.9″2.1″1.1″0.8″

The length of the day at Chiayi Airport varies over the course of the year. In 2024, the shortest day is December 21, with 10 hours, 42 minutes of daylight; the longest day is June 21, with 13 hours, 35 minutes of daylight.

Hours of Daylight and Twilight at Chiayi Airport

Hours of Daylight and Twilight at Chiayi AirportJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2013 hr, 35 minJun 2113 hr, 35 minJun 2112 hr, 8 minSep 2212 hr, 8 minSep 2210 hr, 42 minDec 2110 hr, 42 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 10.9h11.4h12.0h12.7h13.3h13.6h13.4h12.9h12.3h11.6h11.0h10.7h

The earliest sunrise is at 5:11 AM on June 7, and the latest sunrise is 1 hour, 31 minutes later at 6:42 AM on January 15. The earliest sunset is at 5:11 PM on November 28, and the latest sunset is 1 hour, 38 minutes later at 6:49 PM on July 3.

Daylight saving time (DST) is not observed at Chiayi Airport during 2024.

Sunrise & Sunset with Twilight at Chiayi Airport

Sunrise & Sunset with Twilight at Chiayi AirportJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 75:11 AMJun 75:11 AM6:49 PMJul 36:49 PMJul 3Nov 285:11 PMNov 285:11 PM6:42 AMJan 156:42 AMJan 15daynightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
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 Chiayi Airport

Solar Elevation and Azimuth at Chiayi 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 AM000010101010202020203030303040404040505050606070708000001010101020202020303030304040404050505060606070708043NowNow
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 Chiayi 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.

Chiayi Airport experiences extreme seasonal variation in the perceived humidity.

The muggier period of the year lasts for 8.7 months, from March 10 to December 1, during which time the comfort level is muggy, oppressive, or miserable at least 28% of the time. The month with the most muggy days at Chiayi Airport is July, with 31.0 days that are muggy or worse.

The month with the fewest muggy days at Chiayi Airport is January, with 1.4 days that are muggy or worse.

Humidity Comfort Levels at Chiayi Airport

Humidity Comfort Levels at Chiayi AirportmuggyJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jan 154%Jan 154%100%Jul 24100%Jul 24Mar 1028%Mar 1028%Dec 128%Dec 128%NowNowmiserablemiserablecomfortablecomfortabledrydryhumidhumidmuggymuggy
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 1.4d3.2d11.4d23.1d30.2d30.0d31.0d31.0d29.8d27.1d15.5d4.2d

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 Chiayi Airport experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 4.2 months, from November 11 to March 17, with average wind speeds of more than 6.9 miles per hour. The windiest month of the year at Chiayi Airport is January, with an average hourly wind speed of 7.8 miles per hour.

The calmer time of year lasts for 7.8 months, from March 17 to November 11. The calmest month of the year at Chiayi Airport is May, with an average hourly wind speed of 6.0 miles per hour.

Average Wind Speed at Chiayi Airport

Average Wind Speed at Chiayi AirportwindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphJan 207.9 mphJan 207.9 mphApr 305.8 mphApr 305.8 mphNov 116.9 mphNov 116.9 mphMar 176.9 mphMar 176.9 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) 7.87.56.96.26.06.96.86.56.46.67.07.7

The predominant average hourly wind direction at Chiayi Airport varies throughout the year.

The wind is most often from the south for 3.2 months, from May 21 to August 28, with a peak percentage of 62% on June 21. The wind is most often from the north for 8.8 months, from August 28 to May 21, with a peak percentage of 80% on January 1.

Wind Direction at Chiayi Airport

Wind Direction at Chiayi AirportNSNJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsouthnortheast
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).

Chiayi 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 4.0 months, from June 1 to October 3, with an average temperature above 81°F. The month of the year at Chiayi Airport with the warmest water is August, with an average temperature of 83°F.

The time of year with cooler water lasts for 3.0 months, from December 17 to March 16, with an average temperature below 73°F. The month of the year at Chiayi Airport with the coolest water is February, with an average temperature of 71°F.

Average Water Temperature at Chiayi Airport

The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 71°F71°F73°F76°F79°F82°F83°F83°F82°F80°F77°F73°F

To characterize how pleasant the weather is at Chiayi 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 times of year to visit Chiayi Airport for general outdoor tourist activities are from late February to mid April and from mid October to mid December, with a peak score in the first week of November.

Tourism Score at Chiayi Airport

Tourism Score at Chiayi Airportbest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810107.77.72.92.97.37.36.26.2NowNowtemperaturetemperature precipitationprecipitationtourism 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 time of year to visit Chiayi Airport for hot-weather activities is from mid September to late October, with a peak score in the second week of October.

Beach/Pool Score at Chiayi Airport

Beach/Pool Score at Chiayi AirportJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.76.70.90.95.95.94.44.44.44.44.44.4NowNowtemperaturetemperature 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 Chiayi 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 Chiayi Airport

Time Spent in Various Temperature Bands and the Growing Season at Chiayi 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 2NowNowcoldcoolcomfortablewarmhot
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 Chiayi Airport

Growing Degree Days at Chiayi AirportJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F1,000°F1,000°F2,000°F2,000°F3,000°F3,000°F4,000°F4,000°F5,000°F5,000°F6,000°F6,000°F7,000°F7,000°F8,000°F8,000°F9,000°F9,000°FJan 890°FJan 890°FMar 8900°FMar 8900°FApr 201,800°FApr 201,800°FDec 318,748°FDec 318,748°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 14 to May 27, with an average daily incident shortwave energy per square meter above 5.5 kWh. The brightest month of the year at Chiayi Airport is April, with an average of 5.9 kWh.

The darker period of the year lasts for 2.3 months, from November 14 to January 23, with an average daily incident shortwave energy per square meter below 4.3 kWh. The darkest month of the year at Chiayi Airport is December, with an average of 4.0 kWh.

Average Daily Incident Shortwave Solar Energy at Chiayi Airport

Average Daily Incident Shortwave Solar Energy at Chiayi AirportbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhApr 305.9 kWhApr 305.9 kWhDec 183.9 kWhDec 183.9 kWhMar 145.5 kWhMar 145.5 kWhJan 234.3 kWhJan 234.3 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) 4.24.85.55.95.75.55.55.15.15.04.34.0

For the purposes of this report, the geographical coordinates of Chiayi Airport are 23.462 deg latitude, 120.393 deg longitude, and 66 ft elevation.

The topography within 2 miles of Chiayi Airport contains only modest variations in elevation, with a maximum elevation change of 128 feet and an average elevation above sea level of 80 feet. Within 10 miles contains only modest variations in elevation (1,106 feet). Within 50 miles contains very significant variations in elevation (12,943 feet).

The area within 2 miles of Chiayi Airport is covered by artificial surfaces (56%), cropland (16%), sparse vegetation (12%), and bare soil (12%), within 10 miles by cropland (41%) and trees (30%), and within 50 miles by water (47%) and trees (37%).

This report illustrates the typical weather at Chiayi 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

Chiayi 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.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Tainan Airport, Kangshan Tw-Afb, Pingtung North Air Force Base, Taichung Tw-Afb, Magong Airport, Pingtung South Air Force Base, Taichung Airport, and Kaohsiung International Airport.

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.