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Winter Weather in Darvi Mongolia

Daily high temperatures are around 24°F, rarely falling below 7°F or exceeding 42°F. The lowest daily average high temperature is 19°F on January 15.

Daily low temperatures are around 4°F, rarely falling below -12°F or exceeding 18°F. The lowest daily average low temperature is -0°F on January 22.

For reference, on July 24, the hottest day of the year, temperatures in Darvi typically range from 55°F to 79°F, while on January 18, the coldest day of the year, they range from -0°F to 19°F.

Average High and Low Temperature in the Winter in Darvi

Average High and Low Temperature in the Winter in DarviDecJanFeb-10°F-10°F0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°FFallSpringJan 1519°FJan 1519°F-0°F-0°FDec 127°FDec 127°F8°F8°FFeb 2830°FFeb 2830°F6°F6°FJan 121°FJan 121°F2°F2°FFeb 121°FFeb 121°F0°F0°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 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 Darvi

Average Hourly Temperature in the Winter in DarviDecJanFeb12 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 AMFallSpringfrigidfrigidfreezingvery 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.

Kindersley, Canada (5,537 miles away) and Tioga, North Dakota, United States (5,810 miles) are the far-away foreign places with temperatures most similar to Darvi (view comparison).

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The winter in Darvi experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 37% throughout the season. The lowest chance of overcast or mostly cloudy conditions is 34% on January 15.

The clearest day of the winter is January 15, with clear, mostly clear, or partly cloudy conditions 66% of the time.

For reference, on May 7, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 43%, while on September 17, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 70%.

Cloud Cover Categories in the Winter in Darvi

Cloud Cover Categories in the Winter in DarviDecJanFeb0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%FallSpringMay 757%May 757%Dec 162%Dec 162%Feb 2860%Feb 2860%Jan 163%Jan 163%Feb 163%Feb 163%clearmostly 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 Darvi, 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, 11 minutes, implying an average daily increase of 1 minute, 29 seconds, and weekly increase of 10 minutes, 20 seconds.

The shortest day of the winter is December 21, with 8 hours, 35 minutes of daylight and the longest day is February 28, with 11 hours, 3 minutes of daylight.

Hours of Daylight and Twilight in the Winter in Darvi

Hours of Daylight and Twilight in the Winter in DarviDecJanFeb0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrFallSpringDec 218 hr, 35 minDec 218 hr, 35 minnightnightdaydayFeb 2811 hr, 3 minFeb 2811 hr, 3 minFeb 19 hr, 40 minFeb 19 hr, 40 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 winter in Darvi is 8:27 AM on January 1 and the earliest sunrise is 1 hour, 2 minutes earlier at 7:24 AM on February 28.

The earliest sunset is 4:56 PM on December 10 and the latest sunset is 1 hour, 31 minutes later at 6:27 PM on February 28.

Daylight saving time is not observed in Darvi during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:50 AM and sets 15 hours, 49 minutes later, at 8:39 PM, while on December 21, the shortest day of the year, it rises at 8:24 AM and sets 8 hours, 35 minutes later, at 4:59 PM.

Sunrise & Sunset with Twilight in the Winter in Darvi

Sunrise & Sunset with Twilight in the Winter in DarviDecJanFeb2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMFallSpring7:24 AM7:24 AMFeb 286:27 PMFeb 286:27 PM8:16 AM8:16 AMDec 104:56 PMDec 104:56 PM8:27 AM8:27 AMJan 15:07 PMJan 15:07 PM8:07 AM8:07 AMFeb 15:47 PMFeb 15:47 PMSolarMidnightSolarMidnightSolarNoonSunriseSunset
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 Darvi

Solar Elevation and Azimuth in the Winter in DarviDecJanFeb12 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 AMFallSpring00102020300010102030
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 Darvi

Moon Rise, Set & Phases in the Winter in DarviDecJanFeb12 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 PM5:04 PM5:04 PM4:25 PM4:25 PM8:21 AM8:21 AM4:28 PM4:28 PM4:20 PM4:20 PM9:40 AM9:40 AM9:11 AM9:11 AM5:03 PM5:03 PM9:03 AM9:03 AM8:25 AM8:25 AM5:15 PM5:15 PM5:41 PM5:41 PM8:21 AM8:21 AM7:38 AM7:38 AM6:54 PM6:54 PM6:54 PM6:54 PM7:14 AM7:14 AM7:09 PM7:09 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.

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

Humidity Comfort Levels in the Winter in Darvi

Humidity Comfort Levels in the Winter in DarviDecJanFeb0%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%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 Darvi is essentially constant during the winter, remaining within 0.8 miles per hour of 8.5 miles per hour throughout.

For reference, on April 17, the windiest day of the year, the daily average wind speed is 11.2 miles per hour, while on January 23, the calmest day of the year, the daily average wind speed is 7.7 miles per hour.

The lowest daily average wind speed during the winter is 7.7 miles per hour on January 23.

Average Wind Speed in the Winter in Darvi

Average Wind Speed in the Winter in DarviDecJanFeb0 mph0 mph5 mph5 mph10 mph10 mph15 mph15 mphFallSpringJan 237.7 mphJan 237.7 mphDec 18.9 mphDec 18.9 mphFeb 289.3 mphFeb 289.3 mphJan 18.3 mphJan 18.3 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 Darvi throughout the winter is predominantly from the west, with a peak proportion of 65% on December 1.

Wind Direction in the Winter in Darvi

Wind Direction in the Winter in DarviDecJanFeb0%100%20%80%40%60%60%40%80%20%100%0%FallSpringwestnorthsouth
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 Darvi typically lasts for 3.9 months (119 days), from around May 19 to around September 15, rarely starting before May 1 or after June 6, and rarely ending before August 30 or after October 1.

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

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

Time Spent in Various Temperature Bands and the Growing Season in the Winter in DarviDecJanFeb0%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 15frigidfreezingvery 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 Darvi are very rapidly decreasing during the winter, decreasing by 1,847°F, from 1,847°F to 0°F, over the course of the season.

Growing Degree Days in the Winter in Darvi

Growing Degree Days in the Winter in DarviDecJanFeb0°F0°F500°F500°F1,000°F1,000°F1,500°F1,500°F2,000°F2,000°FFallSpringDec 11,847°FDec 11,847°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 Darvi is rapidly increasing during the winter, rising by 1.9 kWh, from 1.9 kWh to 3.9 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 1.7 kWh on December 20.

Average Daily Incident Shortwave Solar Energy in the Winter in Darvi

Average Daily Incident Shortwave Solar Energy in the Winter in DarviDecJanFeb0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWhFallSpringDec 201.7 kWhDec 201.7 kWhDec 11.9 kWhDec 11.9 kWhFeb 283.9 kWhFeb 283.9 kWhFeb 12.6 kWhFeb 12.6 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 Darvi are 46.450 deg latitude, 94.117 deg longitude, and 5,390 ft elevation.

The topography within 2 miles of Darvi contains only modest variations in elevation, with a maximum elevation change of 240 feet and an average elevation above sea level of 5,313 feet. Within 10 miles contains only modest variations in elevation (2,913 feet). Within 50 miles contains large variations in elevation (10,640 feet).

The area within 2 miles of Darvi is covered by bare soil (90%), within 10 miles by bare soil (97%), and within 50 miles by bare soil (97%).

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

Darvi 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 Darvi, 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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