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Average Weather in January in Qiangdui China

Daily high temperatures increase by 2°F, from 39°F to 41°F, rarely falling below 32°F or exceeding 49°F. The lowest daily average high temperature is 39°F on January 7.

Daily low temperatures are around 14°F, rarely falling below 8°F or exceeding 20°F. The lowest daily average low temperature is 13°F on January 8.

For reference, on June 23, the hottest day of the year, temperatures in Qiangdui typically range from 47°F to 71°F, while on January 8, the coldest day of the year, they range from 13°F to 39°F.

Average High and Low Temperature in January

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 hourly average temperatures for the quarter of the year centered on January. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in January

Average Hourly Temperature in January in Qiangdui18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM4 AM8 AM12 PM4 PM8 PM12 AMDecFebfreezingfreezingvery coldfrigid
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.

Yosemite Valley, California, United States (7,463 miles away); Woodland Park, Colorado, United States (7,650 miles); and Seyne-les-Alpes, France (4,525 miles) are the far-away foreign places with temperatures most similar to Qiangdui (view comparison).


The month of January in Qiangdui experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 17% throughout the month.

The clearest day of the month is January 1, with clear, mostly clear, or partly cloudy conditions 84% of the time.

For reference, on August 4, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 73%, while on November 5, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 90%.

Cloud Cover Categories in January

Cloud Cover Categories in January in Qiangdui1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 184%Jan 184%Jan 3181%Jan 3181%Jan 1184%Jan 1184%Jan 2183%Jan 2183%clearmostly cloudyovercastpartly cloudymostly clear
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.



Over the course of January in Qiangdui, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 28 minutes, implying an average daily increase of 56 seconds, and weekly increase of 6 minutes, 33 seconds.

The shortest day of the month is January 1, with 10 hours, 19 minutes of daylight and the longest day is January 31, with 10 hours, 47 minutes of daylight.

Hours of Daylight and Twilight in January

Hours of Daylight and Twilight in January in Qiangdui1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrDecFebnightnightdaydayJan 110 hr, 19 minJan 110 hr, 19 minJan 3110 hr, 47 minJan 3110 hr, 47 min
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 latest sunrise of the month in Qiangdui is 6:57 AM on January 11 and the earliest sunrise is 5 minutes earlier at 6:52 AM on January 31.

The earliest sunset is 5:15 PM on January 1 and the latest sunset is 24 minutes later at 5:39 PM on January 31.

Daylight saving time is not observed in Qiangdui during 2020.

For reference, on June 20, the longest day of the year, the Sun rises at 5:03 AM and sets 14 hours, 0 minutes later, at 7:04 PM, while on December 21, the shortest day of the year, it rises at 6:52 AM and sets 10 hours, 17 minutes later, at 5:09 PM.

Sunrise & Sunset with Twilight in January

Sunrise & Sunset with Twilight in January in Qiangdui18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMDecFeb6:52 AM6:52 AMJan 315:39 PMJan 315:39 PM6:56 AM6:56 AMJan 15:15 PMJan 15:15 PM6:57 AM6:57 AMJan 165:26 PMJan 165:26 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of January. 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.


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 chance that a given day will be muggy in Qiangdui is essentially constant during January, remaining around 0% throughout.

Humidity Comfort Levels in January

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.


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 Qiangdui is increasing during January, increasing from 8.3 miles per hour to 9.6 miles per hour over the course of the month.

For reference, on February 27, the windiest day of the year, the daily average wind speed is 10.4 miles per hour, while on August 11, the calmest day of the year, the daily average wind speed is 5.5 miles per hour.

Average Wind Speed in January

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction in Qiangdui throughout January is predominantly from the west, with a peak proportion of 68% on January 29.

Wind Direction in January

Wind Direction in January in Qiangdui1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebwestsouthnorth
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).

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 Qiangdui typically lasts for 4.9 months (151 days), from around May 10 to around October 7, rarely starting before April 23 or after May 26, and rarely ending before September 23 or after October 22.

The month of January in Qiangdui is reliably fully outside of the growing season.

Time Spent in Various Temperature Bands and the Growing Season in January

Time Spent in Various Temperature Bands and the Growing Season in January in Qiangdui1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFeb0%Jan 160%Jan 16frigidfreezingvery coldcold
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.

The average accumulated growing degree days in Qiangdui are essentially constant during January, remaining around 0°F throughout.

Growing Degree Days in January

The average growing degree days accumulated over the course of January, 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 in Qiangdui is gradually increasing during January, rising by 0.7 kWh, from 4.6 kWh to 5.3 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in January

The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.


For the purposes of this report, the geographical coordinates of Qiangdui are 29.088 deg latitude, 89.366 deg longitude, and 13,120 ft elevation.

The topography within 2 miles of Qiangdui contains large variations in elevation, with a maximum elevation change of 2,753 feet and an average elevation above sea level of 13,142 feet. Within 10 miles contains large variations in elevation (5,207 feet). Within 50 miles also contains extreme variations in elevation (11,129 feet).

The area within 2 miles of Qiangdui is covered by grassland (72%) and cropland (18%), within 10 miles by grassland (89%), and within 50 miles by grassland (92%).

Data Sources

This report illustrates the typical weather in Qiangdui year round, 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

There is only a single weather station, Lhasa Gonggar Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Qiangdui.

At a distance of 183 kilometers from Qiangdui, further than our threshold of 150 kilometers, this station is deemed insufficiently nearby to be relied upon as our primary source for temperature and dew point records. Consequently, the station records are blended with interpolated values from NASA's MERRA-2 satellite-era reanalysis , and both are corrected for elevation differences according to the International Standard Atmosphere .

The weight assigned to the MERRA-2 value depends on the distance from Qiangdui to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 40%, making the weight assigned to the weather station 60%.

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 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.


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.