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December Weather in Xidi China

Daily high temperatures decrease by 7°F, from 32°F to 25°F, rarely falling below 14°F or exceeding 42°F.

Daily low temperatures decrease by 7°F, from 18°F to 10°F, rarely falling below -0°F or exceeding 27°F.

For reference, on July 22, the hottest day of the year, temperatures in Xidi typically range from 69°F to 88°F, while on January 18, the coldest day of the year, they range from 8°F to 24°F.

Average High and Low Temperature in December in Xidi

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 Xidi

Average Hourly Temperature in December in XidiDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJanfrigidfrigidfreezingvery 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.

Richfield, Minnesota, United States (6,295 miles away) is the far-away foreign place with temperatures most similar to Xidi (view comparison).

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The month of December in Xidi experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 37% throughout the month.

The clearest day of the month is December 23, with clear, mostly clear, or partly cloudy conditions 64% of the time.

For reference, on April 28, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 42%, while on August 10, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 77%.

Cloud Cover Categories in December in Xidi

Cloud Cover Categories in December in XidiDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanDec 163%Dec 163%Dec 3164%Dec 3164%Dec 1163%Dec 1163%Dec 2163%Dec 2163%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.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Xidi, the chance of a wet day over the course of December is essentially constant, remaining around 3% throughout.

For reference, the year's highest daily chance of a wet day is 15% on July 4, and its lowest chance is 1% on January 21.

Probability of Precipitation in December in Xidi

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).

Over the course of December in Xidi, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 53 minutes of daylight and the longest day is December 1, with 9 hours, 8 minutes of daylight.

Hours of Daylight and Twilight in December in Xidi

Hours of Daylight and Twilight in December in XidiDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 218 hr, 53 minDec 218 hr, 53 minnightnightdaydayDec 19 hr, 8 minDec 19 hr, 8 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 Xidi is 7:16 AM on December 1 and the latest sunrise is 20 minutes later at 7:35 AM on December 31.

The earliest sunset is 4:22 PM on December 9 and the latest sunset is 10 minutes later at 4:32 PM on December 31.

Daylight saving time is not observed in Xidi during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:17 AM and sets 15 hours, 30 minutes later, at 7:47 PM, while on December 21, the shortest day of the year, it rises at 7:32 AM and sets 8 hours, 53 minutes later, at 4:25 PM.

Sunrise & Sunset with Twilight in December in Xidi

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 Xidi

Solar Elevation and Azimuth in December in XidiDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan0010102020200001010202030
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 Xidi

Moon Rise, Set & Phases in December in XidiDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMNovJanNov 16:48 PMNov 16:48 PMNov 163:29 AMNov 163:29 AMDec 112:22 PMDec 112:22 PMDec 153:02 PMDec 153:02 PMDec 314:28 AMDec 314:28 AMJan 144:28 AMJan 144:28 AMJan 296:37 PMJan 296:37 PM6:18 AM6:18 AM4:28 PM4:28 PM3:51 PM3:51 PM7:29 AM7:29 AM7:28 AM7:28 AM3:57 PM3:57 PM3:51 PM3:51 PM8:45 AM8:45 AM8:17 AM8:17 AM4:34 PM4:34 PM3:45 PM3:45 PM8:11 AM8:11 AM7:33 AM7:33 AM4:43 PM4:43 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%7:28 AMSE3:57 PMSW-11:43 AMS246,290 mi
2
1%8:34 AMSE4:43 PMSW-12:38 PMS244,250 mi
3
4%9:33 AMSE5:39 PMSW-1:36 PMS242,133 mi
4
10%10:22 AMSE6:46 PMSW-2:34 PMS239,989 mi
5
17%11:02 AMSE7:59 PMWSW-3:30 PMS237,843 mi
6
27%11:33 AMESE9:14 PMWSW-4:23 PMS235,712 mi
7
37%11:59 AMESE10:30 PMWSW-5:14 PMS233,622 mi
8
50%12:21 PMESE11:45 PMW-6:02 PMS231,626 mi
9
60%12:41 PME--6:49 PMS229,819 mi
10
72%-1:01 AMW1:01 PME7:36 PMS228,338 mi
11
82%-2:18 AMWNW1:23 PMENE8:25 PMS227,351 mi
12
90%-3:38 AMWNW1:48 PMENE9:18 PMS227,029 mi
13
96%-5:00 AMWNW2:19 PMENE10:15 PMS227,511 mi
14
99%-6:22 AMNW3:00 PMNE11:16 PMS228,865 mi
15
100%-7:39 AMNW3:51 PMNE--
16
100%-8:45 AMNW4:55 PMNE12:18 AMS231,052 mi
17
97%-9:37 AMNW6:07 PMNE1:19 AMS233,919 mi
18
93%-10:16 AMNW7:20 PMENE2:17 AMS237,223 mi
19
86%-10:46 AMWNW8:32 PMENE3:09 AMS240,674 mi
20
78%-11:09 AMWNW9:41 PMENE3:55 AMS243,976 mi
21
69%-11:28 AMWNW10:46 PME4:38 AMS246,867 mi
22
59%-11:45 AMW11:50 PME5:19 AMS249,137 mi
23
50%-12:01 PMW-5:57 AMS250,641 mi
24
40%12:52 AME12:18 PMW-6:36 AMS251,303 mi
25
31%1:55 AMESE12:36 PMWSW-7:16 AMS251,119 mi
26
22%2:59 AMESE12:56 PMWSW-7:58 AMS250,147 mi
27
14%4:06 AMESE1:22 PMWSW-8:44 AMS248,506 mi
28
8%5:14 AMSE1:54 PMSW-9:34 AMS246,358 mi
29
3%6:21 AMSE2:36 PMSW-10:28 AMS243,896 mi
30
1%7:23 AMSE3:29 PMSW-11:26 AMS241,322 mi
31
0%8:17 AMSE4:34 PMSW-12:25 PMS238,826 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 Xidi is essentially constant during December, remaining around 0% throughout.

For reference, on July 21, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in December in Xidi

Humidity Comfort Levels in December in XidiDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 Xidi is essentially constant during December, remaining within 0.3 miles per hour of 5.6 miles per hour throughout.

For reference, on May 6, the windiest day of the year, the daily average wind speed is 9.7 miles per hour, while on January 10, the calmest day of the year, the daily average wind speed is 5.3 miles per hour.

Average Wind Speed in December in Xidi

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

The wind direction in Xidi during December is predominantly out of the west from December 1 to December 22 and the south from December 22 to December 31.

Wind Direction in December in Xidi

Wind Direction in December in XidiWSWDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 Xidi typically lasts for 6.0 months (184 days), from around April 15 to around October 16, rarely starting before March 27 or after May 4, and rarely ending before September 28 or after November 4.

The month of December in Xidi is reliably fully outside of the growing season.

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

Time Spent in Various Temperature Bands and the Growing Season in December in XidiDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJan0%Dec 160%Dec 16Nov 410%Nov 410%frigidfreezingvery 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 Xidi are essentially constant during December, remaining around 3,641°F throughout.

Growing Degree Days in December in Xidi

Growing Degree Days in December in XidiDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031313,300°F3,300°F3,400°F3,400°F3,500°F3,500°F3,600°F3,600°F3,700°F3,700°F3,800°F3,800°F3,900°F3,900°FNovJanDec 13,641°FDec 13,641°FDec 313,641°FDec 313,641°FDec 113,641°FDec 113,641°FDec 213,641°FDec 213,641°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 Xidi is essentially constant during December, remaining within 0.1 kWh of 1.9 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 1.8 kWh on December 21.

Average Daily Incident Shortwave Solar Energy in December in Xidi

Average Daily Incident Shortwave Solar Energy in December in XidiDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 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 kWhNovJanDec 211.8 kWhDec 211.8 kWhDec 12.0 kWhDec 12.0 kWhDec 311.9 kWhDec 311.9 kWhDec 111.9 kWhDec 111.9 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 Xidi are 44.066 deg latitude, 89.739 deg longitude, and 2,510 ft elevation.

The topography within 2 miles of Xidi contains only modest variations in elevation, with a maximum elevation change of 177 feet and an average elevation above sea level of 2,513 feet. Within 10 miles contains only modest variations in elevation (817 feet). Within 50 miles contains significant variations in elevation (12,717 feet).

The area within 2 miles of Xidi is covered by cropland (75%) and grassland (20%), within 10 miles by grassland (38%) and cropland (38%), and within 50 miles by grassland (51%) and bare soil (24%).

This report illustrates the typical weather in Xidi, 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, Ürümqi Diwopu International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Xidi.

At a distance of 182 kilometers from Xidi, 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 Xidi to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 39%, making the weight assigned to the weather station 61%.

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.

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