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December Weather in Tsant Mongolia

Daily high temperatures decrease by 8°F, from 16°F to 8°F, rarely falling below -2°F or exceeding 27°F.

Daily low temperatures decrease by 8°F, from -4°F to -11°F, rarely falling below -21°F or exceeding 6°F.

For reference, on July 18, the hottest day of the year, temperatures in Tsant typically range from 57°F to 80°F, while on January 18, the coldest day of the year, they range from -14°F to 8°F.

Average High and Low Temperature in December in Tsant

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 Tsant

Average Hourly Temperature in December in TsantDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJanfrigidfreezingvery 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 average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Fort Nelson, Canada (4,664 miles away); Fort McMurray, Canada (5,000 miles); and Nipawin, Canada (5,330 miles) are the far-away foreign places with temperatures most similar to Tsant (view comparison).

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The month of December in Tsant experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 36% throughout the month. The highest chance of overcast or mostly cloudy conditions is 37% on December 16.

The clearest day of the month is December 1, with clear, mostly clear, or partly cloudy conditions 65% of the time.

For reference, on May 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 44%, while on September 30, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 68%.

Cloud Cover Categories in December in Tsant

Cloud Cover Categories in December in TsantDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJanSep 3068%Sep 3068%Dec 165%Dec 165%Dec 3164%Dec 3164%Dec 1164%Dec 1164%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.

Over the course of December in Tsant, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 37 minutes of daylight and the longest day is December 1, with 8 hours, 54 minutes of daylight.

Hours of Daylight and Twilight in December in Tsant

Hours of Daylight and Twilight in December in TsantDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrNovJanDec 218 hr, 37 minDec 218 hr, 37 minnightnightdaydayDec 18 hr, 54 minDec 18 hr, 54 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 Tsant is 8:15 AM on December 1 and the latest sunrise is 21 minutes later at 8:35 AM on December 31.

The earliest sunset is 5:07 PM on December 10 and the latest sunset is 10 minutes later at 5:16 PM on December 31.

Daylight saving time is not observed in Tsant during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:01 AM and sets 15 hours, 47 minutes later, at 8:48 PM, while on December 21, the shortest day of the year, it rises at 8:32 AM and sets 8 hours, 37 minutes later, at 5:09 PM.

Sunrise & Sunset with Twilight in December in Tsant

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 Tsant

Solar Elevation and Azimuth in December in TsantDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMNovJan00101020202000010102020
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 Tsant

Moon Rise, Set & Phases in December in TsantDec112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 PM7:12 AM7:12 AM5:13 PM5:13 PM4:35 PM4:35 PM8:26 AM8:26 AM8:27 AM8:27 AM4:37 PM4:37 PM4:29 PM4:29 PM9:46 AM9:46 AM9:17 AM9:17 AM5:12 PM5:12 PM4:23 PM4:23 PM9:10 AM9:10 AM8:32 AM8:32 AM5:23 PM5:23 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%8:27 AMSE4:37 PMSW-12:32 PMS246,383 mi
2
1%9:34 AMSE5:21 PMSW-1:28 PMS244,349 mi
3
4%10:33 AMSE6:17 PMSW-2:25 PMS242,234 mi
4
10%11:23 AMSE7:24 PMSW-3:23 PMS240,090 mi
5
17%12:01 PMSE8:39 PMSW-4:20 PMS237,944 mi
6
26%12:31 PMESE9:56 PMWSW-5:13 PMS235,812 mi
7
37%12:55 PMESE11:14 PMWSW-6:04 PMS233,719 mi
8
50%1:15 PMESE--6:52 PMS231,716 mi
9
60%-12:32 AMW1:33 PME7:39 PMS229,898 mi
10
71%-1:50 AMW1:51 PME8:26 PMS228,398 mi
11
81%-3:09 AMWNW2:11 PMENE9:15 PMS227,384 mi
12
90%-4:31 AMWNW2:33 PMENE10:08 PMS227,027 mi
13
96%-5:55 AMWNW3:02 PMENE11:05 PMS227,469 mi
14
98%-7:20 AMNW3:40 PMNE--
15
100%-8:39 AMNW4:29 PMNE12:05 AMS228,782 mi
16
100%-9:46 AMNW5:33 PMNE1:07 AMS230,931 mi
17
98%-10:38 AMNW6:45 PMNE2:08 AMS233,771 mi
18
93%-11:15 AMNW8:01 PMENE3:06 AMS237,062 mi
19
86%-11:43 AMWNW9:15 PMENE3:58 AMS240,512 mi
20
78%-12:05 PMWNW10:26 PMENE4:45 AMS243,827 mi
21
69%-12:22 PMWNW11:33 PME5:28 AMS246,742 mi
22
60%-12:38 PMW-6:09 AMS249,046 mi
23
50%12:39 AME12:52 PMW-6:47 AMS250,588 mi
24
40%1:43 AME1:07 PMW-7:26 AMS251,291 mi
25
31%2:47 AMESE1:23 PMWSW-8:06 AMS251,146 mi
26
22%3:54 AMESE1:41 PMWSW-8:48 AMS250,209 mi
27
15%5:02 AMESE2:05 PMWSW-9:34 AMS248,596 mi
28
8%6:12 AMSE2:35 PMSW-10:23 AMS246,468 mi
29
3%7:21 AMSE3:15 PMSW-11:17 AMS244,017 mi
30
1%8:24 AMSE4:07 PMSW-12:15 PMS241,443 mi
31
0%9:17 AMSE5:12 PMSW-1:15 PMS238,940 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 Tsant is essentially constant during December, remaining around 0% throughout.

For reference, on July 12, 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 Tsant

Humidity Comfort Levels in December in TsantDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%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 Tsant is essentially constant during December, remaining within 0.2 miles per hour of 10.9 miles per hour throughout.

For reference, on May 2, the windiest day of the year, the daily average wind speed is 13.3 miles per hour, while on August 14, the calmest day of the year, the daily average wind speed is 8.9 miles per hour.

The highest daily average wind speed during December is 11.1 miles per hour on December 6.

Average Wind Speed in December in Tsant

Average Wind Speed in December in TsantDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mph14 mph14 mph16 mph16 mphNovJanDec 611.1 mphDec 611.1 mphDec 3110.6 mphDec 3110.6 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 Tsant throughout December is predominantly from the west, with a peak proportion of 49% on December 8.

Wind Direction in December in Tsant

Wind Direction in December in TsantWNDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%NovJanwestnorthsouth
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 Tsant typically lasts for 3.9 months (119 days), from around May 18 to around September 14, rarely starting before May 2 or after June 3, and rarely ending before August 28 or after September 29.

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

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

Time Spent in Various Temperature Bands and the Growing Season in December in TsantDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%NovJan-0%Dec 16-0%Dec 160%Nov 220%Nov 22frigidfreezingvery 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.

The average accumulated growing degree days in Tsant are essentially constant during December, remaining around 1,944°F throughout.

Growing Degree Days in December in Tsant

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 Tsant is essentially constant during December, remaining within 0.1 kWh of 1.8 kWh throughout.

The lowest average daily incident shortwave solar energy during December is 1.7 kWh on December 21.

Average Daily Incident Shortwave Solar Energy in December in Tsant

Average Daily Incident Shortwave Solar Energy in December in TsantDec11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 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 211.7 kWhDec 211.7 kWhDec 11.9 kWhDec 11.9 kWhDec 311.8 kWhDec 311.8 kWhDec 111.8 kWhDec 111.8 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 Tsant are 46.183 deg latitude, 106.717 deg longitude, and 4,304 ft elevation.

The topography within 2 miles of Tsant contains significant variations in elevation, with a maximum elevation change of 722 feet and an average elevation above sea level of 4,324 feet. Within 10 miles contains significant variations in elevation (938 feet). Within 50 miles contains very significant variations in elevation (2,116 feet).

The area within 2 miles of Tsant is covered by bare soil (99%), within 10 miles by bare soil (97%), and within 50 miles by bare soil (84%) and sparse vegetation (14%).

This report illustrates the typical weather in Tsant, 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, Ulan-Bator Chinggis Khan International Airport, in our network suitable to be used as a proxy for the historical temperature and dew point records of Tsant.

At a distance of 185 kilometers from Tsant, 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 Tsant to the nearest station, increasing from 0% at 150 kilometers to 100% at 200 kilometers. In this case, the MERRA-2 weight is 41%, making the weight assigned to the weather station 59%.

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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