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December Weather in Yamansu China

Daily high temperatures decrease by 6°F, from 42°F to 36°F, rarely falling below 29°F or exceeding 49°F.

Daily low temperatures decrease by 6°F, from 26°F to 20°F, rarely falling below 13°F or exceeding 33°F.

For reference, on July 25, the hottest day of the year, temperatures in Yamansu typically range from 63°F to 87°F, while on January 16, the coldest day of the year, they range from 18°F to 35°F.

Average High and Low Temperature in December in Yamansu

Average High and Low Temperature in December in YamansuDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313110°F10°F15°F15°F20°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°FNovJanDec 142°FDec 142°F26°F26°FDec 3136°FDec 3136°F20°F20°FDec 1139°FDec 1139°F23°F23°FDec 2137°FDec 2137°F21°F21°F
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 December. 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 December in Yamansu

Average Hourly Temperature in December in YamansuDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJanfreezingfreezingvery 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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Centerville, Iowa, United States (6,764 miles away) is the far-away foreign place with temperatures most similar to Yamansu (view comparison).

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The month of December in Yamansu experiences gradually increasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy increasing from 45% to 49%.

The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 55% of the time.

For reference, on March 23, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 62%, while on August 9, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 85%.

Cloud Cover Categories in December in Yamansu

Cloud Cover Categories in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanDec 155%Dec 155%Dec 3151%Dec 3151%Dec 1154%Dec 1154%Dec 2153%Dec 2153%clearmostly 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.

Over the course of December in Yamansu, the length of the day is essentially constant. The shortest day of the month is December 21, with 9 hours, 12 minutes of daylight and the longest day is December 1, with 9 hours, 26 minutes of daylight.

Hours of Daylight and Twilight in December in Yamansu

Hours of Daylight and Twilight in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 219 hr, 12 minDec 219 hr, 12 minnightnightdaydayDec 19 hr, 26 minDec 19 hr, 26 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 earliest sunrise of the month in Yamansu is 9:49 AM on December 1 and the latest sunrise is 19 minutes later at 10:08 AM on December 31.

The earliest sunset is 7:14 PM on December 7 and the latest sunset is 10 minutes later at 7:24 PM on December 31.

Daylight saving time is not observed in Yamansu during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 7:10 AM and sets 15 hours, 9 minutes later, at 10:19 PM, while on December 21, the shortest day of the year, it rises at 10:05 AM and sets 9 hours, 12 minutes later, at 7:18 PM.

Sunrise & Sunset with Twilight in December in Yamansu

The solar day over the course of December. 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 in December in Yamansu

Solar Elevation and Azimuth in December in YamansuDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan001010202020000101020203030
northeastsouthwest
Solar elevation and azimuth over the course of December 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 December 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. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in December in Yamansu

Moon Rise, Set & Phases in December in YamansuDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 18:48 PMNov 18:48 PMNov 165:29 AMNov 165:29 AMDec 12:22 PMDec 12:22 PMDec 155:02 PMDec 155:02 PMDec 316:28 AMDec 316:28 AMJan 146:28 AMJan 146:28 AMJan 298:37 PMJan 298:37 PM8:57 AM8:57 AM7:18 PM7:18 PM6:43 PM6:43 PM10:03 AM10:03 AM10:01 AM10:01 AM6:54 PM6:54 PM6:50 PM6:50 PM11:16 AM11:16 AM10:47 AM10:47 AM7:31 PM7:31 PM6:42 PM6:42 PM10:43 AM10:43 AM10:06 AM10:06 AM7:37 PM7:37 PM
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.
Dec 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
0%10:01 AMSE6:54 PMSW-2:27 PMS246,231 mi
2
1%11:05 AMSE7:41 PMSW-3:23 PMS244,188 mi
3
4%12:03 PMSE8:38 PMSW-4:20 PMS242,070 mi
4
10%12:53 PMSE9:43 PMSW-5:18 PMS239,926 mi
5
18%1:34 PMESE10:54 PMWSW-6:14 PMS237,780 mi
6
27%2:08 PMESE--7:07 PMS235,650 mi
7
37%-12:07 AMWSW2:36 PMESE7:57 PMS233,562 mi
8
50%-1:20 AMWSW3:01 PMESE8:45 PMS231,570 mi
9
61%-2:32 AMW3:24 PME9:32 PMS229,770 mi
10
72%-3:45 AMW3:47 PME10:20 PMS228,301 mi
11
82%-5:00 AMWNW4:11 PMENE11:09 PMS227,331 mi
12
87%-6:16 AMWNW4:39 PMENE--
13
90%-7:36 AMWNW5:13 PMENE12:02 AMS227,031 mi
14
96%-8:55 AMNW5:56 PMNE12:59 AMS227,538 mi
15
100%-10:10 AMNW6:50 PMNE2:00 AMS228,918 mi
16
100%-11:16 AMNW7:53 PMNE3:03 AMS231,128 mi
17
97%-12:08 PMNW9:04 PMNE4:04 AMS234,012 mi
18
92%-12:49 PMWNW10:15 PMENE5:01 AMS237,325 mi
19
86%-1:21 PMWNW11:25 PMENE5:53 AMS240,776 mi
20
78%-1:46 PMWNW-6:40 AMS244,069 mi
21
68%12:31 AMENE2:08 PMWNW-7:23 AMS246,944 mi
22
59%1:33 AME2:27 PMW-8:03 AMS249,193 mi
23
50%2:34 AME2:45 PMW-8:42 AMS250,673 mi
24
40%3:34 AME3:04 PMW-9:20 AMS251,310 mi
25
30%4:35 AMESE3:24 PMWSW-10:00 AMS251,101 mi
26
22%5:37 AMESE3:47 PMWSW-10:42 AMS250,107 mi
27
14%6:41 AMESE4:15 PMWSW-11:28 AMS248,449 mi
28
8%7:47 AMSE4:50 PMSW-12:18 PMS246,289 mi
29
3%8:52 AMSE5:33 PMSW-1:13 PMS243,820 mi
30
1%9:53 AMSE6:27 PMSW-2:10 PMS241,246 mi
31
0%10:47 AMSE7:31 PMSW-3:09 PMS238,756 mi

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 Yamansu is essentially constant during December, remaining around 0% throughout.

Humidity Comfort Levels in December in Yamansu

Humidity Comfort Levels in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%NovJanDec 10%Dec 10%Dec 310%Dec 310%Dec 110%Dec 110%Dec 210%Dec 210%drydry
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 Yamansu is essentially constant during December, remaining within 0.1 miles per hour of 3.5 miles per hour throughout.

For reference, on May 6, the windiest day of the year, the daily average wind speed is 6.8 miles per hour, while on December 23, the calmest day of the year, the daily average wind speed is 3.3 miles per hour.

The lowest daily average wind speed during December is 3.3 miles per hour on December 23.

Average Wind Speed in December in Yamansu

Average Wind Speed in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mph8 mph8 mphNovJanDec 233.3 mphDec 233.3 mphDec 13.6 mphDec 13.6 mphDec 113.5 mphDec 113.5 mph
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 Yamansu throughout December is predominantly from the north, with a peak proportion of 37% on December 26.

Wind Direction in December in Yamansu

Wind Direction in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%NovJanwestsouthnortheast
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).

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 Yamansu typically lasts for 7.3 months (222 days), from around March 27 to around November 5, rarely starting before March 8 or after April 17, and rarely ending before October 17 or after November 24.

The month of December in Yamansu is very likely fully outside of the growing season, with the chance that a given day is in the growing season gradually decreasing from 4% to 0% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in December in Yamansu

Time Spent in Various Temperature Bands and the Growing Season in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanDec 14%Dec 14%Dec 310%Dec 310%Dec 111%Dec 111%Dec 210%Dec 210%50%Nov 550%Nov 5frigidfreezingvery coldcoldcool
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 Yamansu are essentially constant during December, remaining around 3,269°F throughout.

Growing Degree Days in December in Yamansu

Growing Degree Days in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031313,100°F3,100°F3,150°F3,150°F3,200°F3,200°F3,250°F3,250°F3,300°F3,300°F3,350°F3,350°F3,400°F3,400°F3,450°F3,450°F3,500°F3,500°FNovJanDec 13,269°FDec 13,269°FDec 313,269°FDec 313,269°FDec 113,269°FDec 113,269°FDec 213,269°FDec 213,269°F
The average growing degree days accumulated over the course of December, 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 in Yamansu is essentially constant during December, remaining within 0.1 kWh of 2.4 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 2.3 kWh on December 21.

Average Daily Incident Shortwave Solar Energy in December in Yamansu

Average Daily Incident Shortwave Solar Energy in December in YamansuDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 kWh0.0 kWh0.5 kWh0.5 kWh1.0 kWh1.0 kWh1.5 kWh1.5 kWh2.0 kWh2.0 kWh2.5 kWh2.5 kWh3.0 kWh3.0 kWh3.5 kWh3.5 kWh4.0 kWh4.0 kWhNovJanDec 212.3 kWhDec 212.3 kWhDec 12.5 kWhDec 12.5 kWhDec 312.4 kWhDec 312.4 kWhDec 112.3 kWhDec 112.3 kWh
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 Yamansu are 41.149 deg latitude, 79.085 deg longitude, and 4,993 ft elevation.

The topography within 2 miles of Yamansu contains very significant variations in elevation, with a maximum elevation change of 1,467 feet and an average elevation above sea level of 5,024 feet. Within 10 miles contains very significant variations in elevation (6,549 feet). Within 50 miles also contains extreme variations in elevation (13,845 feet).

The area within 2 miles of Yamansu is covered by cropland (70%) and bare soil (12%), within 10 miles by bare soil (52%) and grassland (23%), and within 50 miles by bare soil (51%) and grassland (40%).

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

Yamansu 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 Yamansu, 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 airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

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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.

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