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Winter Weather in Bayanhoshuu Mongolia

Daily high temperatures increase by 5°F, from 24°F to 29°F, rarely falling below 4°F or exceeding 41°F. The lowest daily average high temperature is 16°F on January 17.

Daily low temperatures are around 4°F, rarely falling below -11°F or exceeding 19°F. The lowest daily average low temperature is 0°F on January 22.

For reference, on July 23, the hottest day of the year, temperatures in Bayanhoshuu typically range from 60°F to 81°F, while on January 18, the coldest day of the year, they range from 0°F to 16°F.

Average High and Low Temperature in the Winter in Bayanhoshuu

Average High and Low Temperature in the Winter in BayanhoshuuDecJanFeb-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°FFallSpringJan 1716°FJan 1716°F0°F0°FDec 124°FDec 124°F9°F9°FFeb 2829°FFeb 2829°F8°F8°FJan 117°FJan 117°F3°F3°FFeb 118°FFeb 118°F0°F0°FNowNow
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 winter temperatures. 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 the Winter in Bayanhoshuu

Average Hourly Temperature in the Winter in BayanhoshuuDecJanFeb12 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 AMFallSpringNowNowfrigidfrigidfreezingvery coldvery 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.

Estevan, Saskatchewan, Canada (5,657 miles away) and Fosston, Minnesota, United States (5,807 miles) are the far-away foreign places with temperatures most similar to Bayanhoshuu (view comparison).

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The winter in Bayanhoshuu experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 42% throughout the season. The highest chance of overcast or mostly cloudy conditions is 45% on December 15. The lowest chance of overcast or mostly cloudy conditions is 40% on January 15.

The clearest day of the winter is January 15, with clear, mostly clear, or partly cloudy conditions 60% of the time.

For reference, on April 14, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 45%, while on August 27, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.

Cloud Cover Categories in the Winter in Bayanhoshuu

Cloud Cover Categories in the Winter in BayanhoshuuDecJanFeb0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FallSpringAug 2769%Aug 2769%Apr 1455%Apr 1455%Dec 156%Dec 156%Feb 2857%Feb 2857%Jan 157%Jan 157%Feb 159%Feb 159%NowNowclearmostly clearpartly cloudyovercastmostly cloudy
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 the winter in Bayanhoshuu, the length of the day is very rapidly increasing. From the start to the end of the season, the length of the day increases by 2 hours, 21 minutes, implying an average daily increase of 1 minute, 35 seconds, and weekly increase of 11 minutes, 4 seconds.

The shortest day of the winter is December 21, with 8 hours, 20 minutes of daylight and the longest day is February 28, with 10 hours, 59 minutes of daylight.

Hours of Daylight and Twilight in the Winter in Bayanhoshuu

Hours of Daylight and Twilight in the Winter in BayanhoshuuDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 218 hr, 20 minDec 218 hr, 20 minnightnightdaydayFeb 2810 hr, 59 minFeb 2810 hr, 59 minFeb 19 hr, 31 minFeb 19 hr, 31 minNowNow
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 winter in Bayanhoshuu is 8:43 AM on January 1 and the earliest sunrise is 1 hour, 7 minutes earlier at 7:35 AM on February 28.

The earliest sunset is 4:58 PM on December 11 and the latest sunset is 1 hour, 37 minutes later at 6:34 PM on February 28.

Daylight saving time is not observed in Bayanhoshuu during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:51 AM and sets 16 hours, 5 minutes later, at 8:56 PM, while on December 21, the shortest day of the year, it rises at 8:40 AM and sets 8 hours, 20 minutes later, at 5:00 PM.

Sunrise & Sunset with Twilight in the Winter in Bayanhoshuu

Sunrise & Sunset with Twilight in the Winter in BayanhoshuuDecJanFeb2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMFallSpring7:35 AM7:35 AMFeb 286:34 PMFeb 286:34 PM8:33 AM8:33 AMDec 114:58 PMDec 114:58 PM8:43 AM8:43 AMJan 15:08 PMJan 15:08 PM8:20 AM8:20 AMFeb 15:51 PMFeb 15:51 PMSolarMidnightSolarMidnightSolarNoonSunriseSunsetNowNow
The solar day in the winter. 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 the Winter in Bayanhoshuu

Solar Elevation and Azimuth in the Winter in BayanhoshuuDecJanFeb12 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 AMFallSpring0010200010102030NowNow
northeastsouthwest
Solar elevation and azimuth in the the winter of 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 the winter of 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 the Winter in Bayanhoshuu

Moon Rise, Set & Phases in the Winter in BayanhoshuuDecJanFeb12 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMFallSpringNov 17:48 PMNov 17:48 PMNov 164:29 AMNov 164:29 AMDec 11:22 PMDec 11:22 PMDec 154:02 PMDec 154:02 PMDec 315:28 AMDec 315:28 AMJan 145:28 AMJan 145:28 AMJan 297:37 PMJan 297:37 PMFeb 128:54 PMFeb 128:54 PMFeb 287:45 AMFeb 287:45 AMMar 141:55 PMMar 141:55 PMMar 295:58 PMMar 295:58 PM5:08 PM5:08 PM4:28 PM4:28 PM8:40 AM8:40 AM4:27 PM4:27 PM4:19 PM4:19 PM10:00 AM10:00 AM9:30 AM9:30 AM5:02 PM5:02 PM9:21 AM9:21 AM8:41 AM8:41 AM5:17 PM5:17 PM5:45 PM5:45 PM8:34 AM8:34 AM7:50 AM7:50 AM7:02 PM7:02 PM7:03 PM7:03 PM7:23 AM7:23 AM7:20 PM7:20 PMNowNow
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.

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 Bayanhoshuu is essentially constant during the winter, remaining around 0% throughout.

Humidity Comfort Levels in the Winter in Bayanhoshuu

Humidity Comfort Levels in the Winter in BayanhoshuuDecJanFeb0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%FallSpringJan 150%Jan 150%Dec 10%Dec 10%Feb 280%Feb 280%Jan 10%Jan 10%Feb 10%Feb 10%NowNowdrydry
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 Bayanhoshuu is gradually increasing during the winter, increasing from 5.0 miles per hour to 5.9 miles per hour over the course of the season.

For reference, on May 7, the windiest day of the year, the daily average wind speed is 8.8 miles per hour, while on January 22, the calmest day of the year, the daily average wind speed is 4.2 miles per hour.

The lowest daily average wind speed during the winter is 4.2 miles per hour on January 22.

Average Wind Speed in the Winter in Bayanhoshuu

Average Wind Speed in the Winter in BayanhoshuuDecJanFeb0 mph0 mph2 mph2 mph4 mph4 mph6 mph6 mph8 mph8 mph10 mph10 mph12 mph12 mphFallSpringJan 224.2 mphJan 224.2 mphDec 15.0 mphDec 15.0 mphFeb 285.9 mphFeb 285.9 mphJan 14.4 mphJan 14.4 mphNowNow
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 Bayanhoshuu throughout the winter is predominantly from the west, with a peak proportion of 49% on December 9.

Wind Direction in the Winter in Bayanhoshuu

Wind Direction in the Winter in BayanhoshuuDecJanFeb0%100%20%80%40%60%60%40%80%20%100%0%FallSpringNowNowwesteastnorthsouth
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 Bayanhoshuu typically lasts for 5.0 months (153 days), from around May 1 to around October 1, rarely starting before April 15 or after May 18, and rarely ending before September 14 or after October 18.

The winter in Bayanhoshuu is reliably fully outside of the growing season.

Time Spent in Various Temperature Bands and the Growing Season in the Winter in Bayanhoshuu

Time Spent in Various Temperature Bands and the Growing Season in the Winter in BayanhoshuuDecJanFeb0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FallSpring0%Jan 150%Jan 15NowNowfrigidfreezingvery 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 Bayanhoshuu are very rapidly decreasing during the winter, decreasing by 2,275°F, from 2,275°F to 0°F, over the course of the season.

Growing Degree Days in the Winter in Bayanhoshuu

Growing Degree Days in the Winter in BayanhoshuuDecJanFeb0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°F2,500°F2,500°FFallSpringDec 12,275°FDec 12,275°FFeb 280°FFeb 280°F
The average growing degree days accumulated over the course of the winter, 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 Bayanhoshuu is rapidly increasing during the winter, rising by 1.9 kWh, from 1.6 kWh to 3.6 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 1.4 kWh on December 20.

Average Daily Incident Shortwave Solar Energy in the Winter in Bayanhoshuu

Average Daily Incident Shortwave Solar Energy in the Winter in BayanhoshuuDecJanFeb0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWhFallSpringDec 201.4 kWhDec 201.4 kWhDec 11.6 kWhDec 11.6 kWhFeb 283.6 kWhFeb 283.6 kWhFeb 12.3 kWhFeb 12.3 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.

For the purposes of this report, the geographical coordinates of Bayanhoshuu are 48.233 deg latitude, 91.917 deg longitude, and 3,858 ft elevation.

The topography within 2 miles of Bayanhoshuu contains only modest variations in elevation, with a maximum elevation change of 164 feet and an average elevation above sea level of 3,874 feet. Within 10 miles contains only modest variations in elevation (1,939 feet). Within 50 miles contains very significant variations in elevation (9,285 feet).

The area within 2 miles of Bayanhoshuu is covered by bare soil (96%), within 10 miles by bare soil (92%), and within 50 miles by bare soil (88%).

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

Bayanhoshuu 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 Bayanhoshuu, 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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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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