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Average Weather in Ke’erlun China

In Ke’erlun, the summers are warm; the winters are frigid, dry, and windy; and it is partly cloudy year round. Over the course of the year, the temperature typically varies from -11°F to 84°F and is rarely below -23°F or above 94°F.

Based on the tourism score, the best time of year to visit Ke’erlun for warm-weather activities is from late June to mid August.

Climate Summary

frigidcoldcoolwarmfrigidJanFebMarAprMayJunJulAugSepOctNovDecNowNow65%65%53%53%clearovercastprecipitation: 2.0 inprecipitation: 2.0 in0.0 in0.0 inmuggy: 1%muggy: 1%0%0%drydrytourism score: 6.6tourism score: 6.60.00.0
Click on each chart for more information.

Temperature

The warm season lasts for 3.8 months, from May 18 to September 11, with an average daily high temperature above 68°F. The hottest day of the year is July 20, with an average high of 84°F and low of 61°F.

The cold season lasts for 3.2 months, from November 21 to February 26, with an average daily high temperature below 21°F. The coldest day of the year is January 18, with an average low of -11°F and high of 6°F.

Average High and Low Temperature

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.

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

Average Hourly Temperature in Ke’erlunJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMNowNowfrigidfrigidcoolwarmcoldfreezingcoldcomfortablefreezingcomfortable
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.

Fort McMurray, Canada (4,704 miles away); Nipawin, Canada (5,049 miles); and Red Lake, Canada (5,368 miles) are the far-away foreign places with temperatures most similar to Ke’erlun (view comparison).

Clouds

In Ke’erlun, the average percentage of the sky covered by clouds experiences mild seasonal variation over the course of the year.

The clearer part of the year in Ke’erlun begins around July 24 and lasts for 3.9 months, ending around November 21. On September 20, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 65% of the time, and overcast or mostly cloudy 35% of the time.

The cloudier part of the year begins around November 21 and lasts for 8.1 months, ending around July 24. On December 21, the cloudiest day of the year, the sky is overcast or mostly cloudy 47% of the time, and clear, mostly clear, or partly cloudy 53% of the time.

Cloud Cover Categories

Cloud Cover Categories in Ke’erlunclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Sep 2065%Sep 2065%Dec 2153%Dec 2153%Jul 2458%Jul 2458%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.

Precipitation

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

The wetter season lasts 3.3 months, from May 31 to September 7, with a greater than 15% chance of a given day being a wet day. The chance of a wet day peaks at 30% on July 19.

The drier season lasts 8.7 months, from September 7 to May 31. The smallest chance of a wet day is 0% on December 26.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Ke’erlun changes throughout the year.

Rain alone is the most common for 7.1 months, from March 25 to October 27. The highest chance of a day with rain alone is 30% on July 19.

Snow alone is the most common for 4.9 months, from October 27 to March 25. The highest chance of a day with snow alone is 2% on November 3.

Daily Chance of Precipitation

Daily Chance of Precipitation in Ke’erlunsnowrainsnowJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jul 1930%Jul 1930%Dec 260%Dec 260%Mar 252%Mar 252%Oct 273%Oct 273%May 3115%May 3115%Sep 715%Sep 715%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).

Rainfall

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. Ke’erlun experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 4.3 months, from May 16 to September 25, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around July 14, with an average total accumulation of 2.0 inches.

The rainless period of the year lasts for 7.7 months, from September 25 to May 16. The least rain falls around January 1, with an average total accumulation of 0.0 inches.

Average Monthly Rainfall

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 liquid-equivalent snowfall.

Sun

The length of the day in Ke’erlun varies extremely over the course of the year. In 2020, the shortest day is December 21, with 8 hours, 21 minutes of daylight; the longest day is June 21, with 16 hours, 4 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in Ke’erlunJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2016 hr, 4 minJun 2116 hr, 4 minJun 2112 hr, 11 minSep 2212 hr, 11 minSep 228 hr, 21 minDec 218 hr, 21 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.

The earliest sunrise is at 4:15 AM on June 16, and the latest sunrise is 3 hours, 51 minutes later at 8:07 AM on January 2. The earliest sunset is at 4:22 PM on December 10, and the latest sunset is 3 hours, 58 minutes later at 8:21 PM on June 25.

Daylight saving time (DST) is not observed in Ke’erlun during 2020.

Sunrise & Sunset with Twilight

Sunrise & Sunset with Twilight in Ke’erlunJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 164:15 AMJun 164:15 AM8:21 PMJun 258:21 PMJun 25Dec 104:22 PMDec 104:22 PM8:07 AMJan 28:07 AMJan 2daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2020. 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.

Humidity

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 in Ke’erlun, 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 0% throughout.

Humidity Comfort Levels

Humidity Comfort Levels in Ke’erlunJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Mar 240%Mar 240%Jul 271%Jul 271%drydrycomfortablecomfortable
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.

Wind

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 in Ke’erlun experiences significant seasonal variation over the course of the year.

The windier part of the year lasts for 3.2 months, from February 29 to June 4, with average wind speeds of more than 10.5 miles per hour. The windiest day of the year is April 19, with an average hourly wind speed of 12.8 miles per hour.

The calmer time of year lasts for 8.8 months, from June 4 to February 29. The calmest day of the year is July 22, with an average hourly wind speed of 8.1 miles per hour.

Average Wind Speed

Average Wind Speed in Ke’erlunwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph2 mph4 mph6 mph8 mph10 mph12 mph14 mph16 mph18 mph20 mph22 mphApr 1912.8 mphApr 1912.8 mphJul 228.1 mphJul 228.1 mphFeb 2910.5 mphFeb 2910.5 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in Ke’erlun varies throughout the year.

The wind is most often from the north for 4.9 months, from March 12 to August 8, with a peak percentage of 42% on May 4. The wind is most often from the west for 7.1 months, from August 8 to March 12, with a peak percentage of 54% on January 1.

Wind Direction

Wind Direction in Ke’erlunWNWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNowwestnorthsoutheast
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).

Best Time of Year to Visit

To characterize how pleasant the weather is in Ke’erlun 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 Ke’erlun for general outdoor tourist activities is from late June to mid August, with a peak score in the last week of July.

Tourism Score

Tourism Score in Ke’erlunbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468106.66.60.00.0NowNow precipitationprecipitationcloudscloudstemperaturetemperaturetourism 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 Ke’erlun for hot-weather activities is from early July to early August, with a peak score in the third week of July.

Beach/Pool Score

Beach/Pool Score in Ke’erlunJanFebMarAprMayJunJulAugSepOctNovDec02468103.33.30.00.0NowNow precipitationprecipitationcloudscloudstemperaturetemperature
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.

Growing Season

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).

The growing season in Ke’erlun typically lasts for 4.4 months (135 days), from around May 9 to around September 21, rarely starting before April 25 or after May 23, and rarely ending before September 6 or after October 6.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Ke’erlungrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%May 950%May 950%Sep 2150%Sep 2150%May 2390%May 2390%Sep 690%Sep 690%Apr 2510%Apr 2510%Oct 610%Oct 610%0%Nov 250%Nov 25Jul 15100%Jul 15100%NowNowfrigidcoolcomfortablewarmhotcoldvery cold
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.

Based on growing degree days alone, the first spring blooms in Ke’erlun should appear around May 8, only rarely appearing before May 1 or after May 15.

Growing Degree Days

The average growing degree days accumulated over the course of the year, with 25th to 75th and 10th to 90th percentile bands.

Solar Energy

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 extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.7 months, from April 22 to August 14, with an average daily incident shortwave energy per square meter above 5.8 kWh. The brightest day of the year is June 4, with an average of 7.0 kWh.

The darker period of the year lasts for 3.3 months, from October 31 to February 8, with an average daily incident shortwave energy per square meter below 2.5 kWh. The darkest day of the year is December 21, with an average of 1.3 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in Ke’erlunbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWhJun 47.0 kWhJun 47.0 kWhDec 211.3 kWhDec 211.3 kWhApr 225.8 kWhApr 225.8 kWhAug 145.8 kWhAug 145.8 kWhOct 312.5 kWhOct 312.5 kWhFeb 82.5 kWhFeb 82.5 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.

Topography

For the purposes of this report, the geographical coordinates of Ke’erlun are 48.164 deg latitude, 115.857 deg longitude, and 2,054 ft elevation.

The topography within 2 miles of Ke’erlun contains only modest variations in elevation, with a maximum elevation change of 387 feet and an average elevation above sea level of 2,062 feet. Within 10 miles contains only modest variations in elevation (951 feet). Within 50 miles also contains very significant variations in elevation (1,690 feet).

The area within 2 miles of Ke’erlun is covered by grassland (89%), within 10 miles by grassland (90%), and within 50 miles by grassland (42%) and sparse vegetation (24%).

Data Sources

This report illustrates the typical weather in Ke’erlun, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Ke’erlun is further than 200 kilometers from the nearest reliable weather station, so the weather-related data on this page were taken entirely from NASA's MERRA-2 satellite-era reanalysis . 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.

The temperature and dew point estimates are corrected for the difference between the reference elevation of the MERRA-2 grid cell and the elevation of Ke’erlun, according to the International Standard Atmosphere .

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.

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 aiports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

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.