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Climate and Average Weather Year Round at Ketapang / Rahadi Usmaman Indonesia

The climate at Ketapang / Rahadi Usmaman is hot, oppressive, and overcast. Over the course of the year, the temperature typically varies from 76°F to 89°F and is rarely below 74°F or above 91°F.

Based on the beach/pool score, the best time of year to visit Ketapang / Rahadi Usmaman for hot-weather activities is from mid June to late September.

Climate at Ketapang / Rahadi Usmaman

hotJanFebMarAprMayJunJulAugSepOctNovDecNowNow37%37%11%11%overcastprecipitation: 13.0 inprecipitation: 13.0 in3.4 in3.4 inmuggy: 100%muggy: 100%100%100%beach/pool score: 6.1beach/pool score: 6.13.93.9
Ketapang / Rahadi Usmaman weather by month. Click on each chart for more information.

The temperature at Ketapang / Rahadi Usmaman varies so little throughout the year that it is not entirely meaningful to discuss hot and cold seasons.

Average High and Low Temperature at Ketapang / Rahadi Usmaman

Average High and Low Temperature at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FAug 888°FAug 888°FMay 1789°FMay 1789°F76°F76°F77°F77°FNov 1887°FNov 1887°FFeb 1287°FFeb 1287°F77°F77°F77°F77°F77°F77°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°F87°F88°F89°F88°F88°F88°F88°F87°F87°F86°F
Temp. 81°F81°F82°F82°F82°F82°F81°F81°F81°F81°F81°F81°F
Low 77°F77°F77°F77°F77°F77°F76°F76°F76°F76°F77°F77°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 Ketapang / Rahadi Usmaman

Average Hourly Temperature at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec12 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 AMNowNowwarmhot
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.

Vigia, Pará, Brazil (10,925 miles away) and Fortaleza, Ceará, Brazil (10,240 miles) are the far-away foreign places with temperatures most similar to Ketapang / Rahadi Usmaman (view comparison).

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At Ketapang / Rahadi Usmaman, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year at Ketapang / Rahadi Usmaman begins around May 13 and lasts for 4.5 months, ending around September 28.

The clearest month of the year at Ketapang / Rahadi Usmaman is July, during which on average the sky is clear, mostly clear, or partly cloudy 36% of the time.

The cloudier part of the year begins around September 28 and lasts for 7.5 months, ending around May 13.

The cloudiest month of the year at Ketapang / Rahadi Usmaman is December, during which on average the sky is overcast or mostly cloudy 89% of the time.

Cloud Cover Categories at Ketapang / Rahadi Usmaman

Cloud Cover Categories at Ketapang / Rahadi UsmamanclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Jun 2537%Jun 2537%Dec 1111%Dec 1111%May 1324%May 1324%Sep 2824%Sep 2824%NowNowmostly clearpartly cloudymostly cloudyovercastclear
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 88%86%82%80%75%67%64%69%74%82%88%89%
Clearer 12%14%18%20%25%33%36%31%26%18%12%11%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days at Ketapang / Rahadi Usmaman varies very significantly throughout the year.

The wetter season lasts 7.4 months, from October 6 to May 17, with a greater than 50% chance of a given day being a wet day. The month with the most wet days at Ketapang / Rahadi Usmaman is November, with an average of 22.5 days with at least 0.04 inches of precipitation.

The drier season lasts 4.6 months, from May 17 to October 6. The month with the fewest wet days at Ketapang / Rahadi Usmaman is August, with an average of 7.9 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 Ketapang / Rahadi Usmaman is November, with an average of 22.5 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 76% on November 22.

Daily Chance of Precipitation at Ketapang / Rahadi Usmaman

Daily Chance of Precipitation at Ketapang / Rahadi UsmamanwetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Nov 2276%Nov 2276%Aug 1023%Aug 1023%Oct 650%Oct 650%May 1750%May 1750%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 16.0d13.4d16.4d18.3d15.9d11.0d9.8d7.9d11.2d18.3d22.5d20.9d

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. Ketapang / Rahadi Usmaman experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year at Ketapang / Rahadi Usmaman. The month with the most rain at Ketapang / Rahadi Usmaman is November, with an average rainfall of 12.9 inches.

The month with the least rain at Ketapang / Rahadi Usmaman is August, with an average rainfall of 3.5 inches.

Average Monthly Rainfall at Ketapang / Rahadi Usmaman

Average Monthly Rainfall at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec0 in0 in5 in5 in10 in10 in15 in15 in20 in20 inNov 2213.0 inNov 2213.0 inAug 133.4 inAug 133.4 inApr 259.5 inApr 259.5 inFeb 256.8 inFeb 256.8 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 8.8″6.9″7.6″9.3″8.3″5.9″4.6″3.5″5.2″9.1″12.9″11.6″

The length of the day at Ketapang / Rahadi Usmaman does not vary substantially over the course of the year, staying within 13 minutes of 12 hours throughout. In 2024, the shortest day is June 21, with 12 hours, 1 minute of daylight; the longest day is December 21, with 12 hours, 14 minutes of daylight.

Hours of Daylight and Twilight at Ketapang / Rahadi Usmaman

Hours of Daylight and Twilight at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minSep 2212 hr, 6 minSep 2212 hr, 14 minDec 2112 hr, 14 minDec 2112 hr, 7 minMar 2012 hr, 7 minMar 2012 hr, 1 minJun 2112 hr, 1 minJun 21daydaynightNowNow
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 12.2h12.2h12.1h12.1h12.0h12.0h12.0h12.1h12.1h12.1h12.2h12.2h

The earliest sunrise is at 5:18 AM on November 7, and the latest sunrise is 31 minutes later at 5:49 AM on February 16. The earliest sunset is at 5:29 PM on October 30, and the latest sunset is 31 minutes later at 5:59 PM on February 8.

Daylight saving time (DST) is not observed at Ketapang / Rahadi Usmaman during 2024.

Sunrise & Sunset with Twilight at Ketapang / Rahadi Usmaman

Sunrise & Sunset with Twilight at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PMNov 75:18 AMNov 75:18 AM5:59 PMFeb 85:59 PMFeb 8Oct 305:29 PMOct 305:29 PM5:49 AMFeb 165:49 AMFeb 16daynightnightSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
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 Ketapang / Rahadi Usmaman

Solar Elevation and Azimuth at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec12 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 AM000010101010202020203030303040404040505050506060606070707080800000101010102020202030303030404040405050505060606060707070806590NowNow
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 Ketapang / Rahadi Usmaman

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.

The perceived humidity level at Ketapang / Rahadi Usmaman, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, remaining a virtually constant 100% throughout.

Humidity Comfort Levels at Ketapang / Rahadi Usmaman

Humidity Comfort Levels at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Aug 20100%Aug 20100%100%Feb 19100%Feb 19NowNowmiserablemiserableoppressiveoppressive
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 31.0d29.0d31.0d30.0d31.0d30.0d31.0d31.0d30.0d31.0d30.0d31.0d

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 Ketapang / Rahadi Usmaman experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 3.9 months, from June 11 to October 7, with average wind speeds of more than 4.8 miles per hour. The windiest month of the year at Ketapang / Rahadi Usmaman is August, with an average hourly wind speed of 6.0 miles per hour.

The calmer time of year lasts for 8.1 months, from October 7 to June 11. The calmest month of the year at Ketapang / Rahadi Usmaman is April, with an average hourly wind speed of 3.7 miles per hour.

Average Wind Speed at Ketapang / Rahadi Usmaman

Average Wind Speed at Ketapang / Rahadi UsmamanwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mphAug 116.0 mphAug 116.0 mphApr 253.6 mphApr 253.6 mphJun 114.8 mphJun 114.8 mphOct 74.8 mphOct 74.8 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) 5.55.14.33.74.25.05.66.05.54.54.55.3

The predominant average hourly wind direction at Ketapang / Rahadi Usmaman varies throughout the year.

The wind is most often from the south for 6.2 months, from April 21 to October 26, with a peak percentage of 60% on August 24. The wind is most often from the west for 5.8 months, from October 26 to April 21, with a peak percentage of 72% on January 1.

Wind Direction at Ketapang / Rahadi Usmaman

Wind Direction at Ketapang / Rahadi UsmamanWSWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestsoutheastnorth
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).

Ketapang / Rahadi Usmaman 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 does not vary significantly over the course of the year, remaining within 2°F of 85°F throughout.

Average Water Temperature at Ketapang / Rahadi Usmaman

Average Water Temperature at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec81°F81°F82°F82°F83°F83°F84°F84°F85°F85°F86°F86°F87°F87°F88°F88°F89°F89°FMay 1287°FMay 1287°F83°FAug 3083°FAug 30Jul 2484°FJul 2484°FOct 484°FOct 484°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature 84°F84°F85°F86°F87°F86°F84°F83°F84°F84°F85°F84°F

To characterize how pleasant the weather is at Ketapang / Rahadi Usmaman 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 Ketapang / Rahadi Usmaman for general outdoor tourist activities is from late June to mid September, with a peak score in the first week of August.

Tourism Score at Ketapang / Rahadi Usmaman

Tourism Score at Ketapang / Rahadi Usmamanbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810104.74.73.03.03.13.1NowNowtemperaturetemperature 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 time of year to visit Ketapang / Rahadi Usmaman for hot-weather activities is from mid June to late September, with a peak score in the first week of August.

Beach/Pool Score at Ketapang / Rahadi Usmaman

Beach/Pool Score at Ketapang / Rahadi Usmamanbest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810106.16.13.93.94.34.3NowNowtemperaturetemperature 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 Ketapang / Rahadi Usmaman 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 Ketapang / Rahadi Usmaman

Time Spent in Various Temperature Bands and the Growing Season at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec0%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 2NowNowwarmhotcomfortable
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 Ketapang / Rahadi Usmaman

Growing Degree Days at Ketapang / Rahadi UsmamanJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F2,000°F2,000°F4,000°F4,000°F6,000°F6,000°F8,000°F8,000°F10,000°F10,000°FJul 490°FJul 490°FAug 291,800°FAug 291,800°FJun 3011,290°FJun 3011,290°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 1.9 months, from July 19 to September 16, with an average daily incident shortwave energy per square meter above 5.1 kWh. The brightest month of the year at Ketapang / Rahadi Usmaman is August, with an average of 5.3 kWh.

The darker period of the year lasts for 2.5 months, from October 26 to January 10, with an average daily incident shortwave energy per square meter below 4.3 kWh. The darkest month of the year at Ketapang / Rahadi Usmaman is November, with an average of 4.1 kWh.

Average Daily Incident Shortwave Solar Energy at Ketapang / Rahadi Usmaman

Average Daily Incident Shortwave Solar Energy at Ketapang / Rahadi UsmamanbrightdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWhAug 115.3 kWhAug 115.3 kWhNov 224.0 kWhNov 224.0 kWhJan 104.3 kWhJan 104.3 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) 4.44.64.74.44.34.65.05.35.14.54.14.1

For the purposes of this report, the geographical coordinates of Ketapang / Rahadi Usmaman are -1.817 deg latitude, 109.963 deg longitude, and 7 ft elevation.

The topography within 2 miles of Ketapang / Rahadi Usmaman is essentially flat, with a maximum elevation change of 62 feet and an average elevation above sea level of 16 feet. Within 10 miles is essentially flat (118 feet). Within 50 miles contains only modest variations in elevation (3,757 feet).

The area within 2 miles of Ketapang / Rahadi Usmaman is covered by cropland (40%), trees (29%), shrubs (14%), and grassland (12%), within 10 miles by water (62%) and trees (22%), and within 50 miles by water (63%) and trees (25%).

This report illustrates the typical weather at Ketapang / Rahadi Usmaman, 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

Ketapang / Rahadi Usmaman 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.

In this case, the only station close and reliable enough to use as a fallback is Supadio 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.