January Weather in Bayan-Ovoo Mongolia

Daily high temperatures increase by 3°F, from 21°F to 24°F, rarely falling below 12°F or exceeding 34°F. The lowest daily average high temperature is 21°F on January 9.

Daily low temperatures are around 4°F, rarely falling below -6°F or exceeding 14°F. The lowest daily average low temperature is 3°F on January 18.

For reference, on July 23, the hottest day of the year, temperatures in Bayan-Ovoo typically range from 62°F to 85°F, while on January 17, the coldest day of the year, they range from 3°F to 21°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. 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.

Williston, United States (5,936 miles away) is the far-away foreign place with temperatures most similar to Bayan-Ovoo (view comparison).

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The month of January in Bayan-Ovoo experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 35% throughout the month. The lowest chance of overcast or mostly cloudy conditions is 34% on January 18.

The clearest day of the month is January 18, with clear, mostly clear, or partly cloudy conditions 66% 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 September 1, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 75%.

Over the course of January in Bayan-Ovoo, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 52 minutes, implying an average daily increase of 1 minute, 45 seconds, and weekly increase of 12 minutes, 13 seconds.

The shortest day of the month is January 1, with 8 hours, 53 minutes of daylight and the longest day is January 31, with 9 hours, 45 minutes of daylight.

The latest sunrise of the month in Bayan-Ovoo is 8:17 AM on January 3 and the earliest sunrise is 16 minutes earlier at 8:01 AM on January 31.

The earliest sunset is 5:10 PM on January 1 and the latest sunset is 36 minutes later at 5:46 PM on January 31.

Daylight saving time is not observed in Bayan-Ovoo during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 4:54 AM and sets 15 hours, 34 minutes later, at 8:29 PM, while on December 21, the shortest day of the year, it rises at 8:14 AM and sets 8 hours, 49 minutes later, at 5:02 PM.

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.

The figure below presents a compact representation of key lunar data for January 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.

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 Bayan-Ovoo is essentially constant during January, remaining around 0% throughout.

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 Bayan-Ovoo is increasing during January, increasing from 7.5 miles per hour to 8.5 miles per hour over the course of the month.

For reference, on April 29, the windiest day of the year, the daily average wind speed is 12.7 miles per hour, while on December 27, the calmest day of the year, the daily average wind speed is 7.4 miles per hour.

The hourly average wind direction in Bayan-Ovoo throughout January is predominantly from the west, with a peak proportion of 36% on January 2.

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 Bayan-Ovoo typically lasts for 4.9 months (149 days), from around May 4 to around September 30, rarely starting before April 15 or after May 23, and rarely ending before September 11 or after October 18.

The month of January in Bayan-Ovoo is reliably fully outside of 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 Bayan-Ovoo are essentially constant during January, remaining around 0°F throughout.

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 Bayan-Ovoo is gradually increasing during January, rising by 0.7 kWh, from 2.0 kWh to 2.7 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Bayan-Ovoo are 44.617 deg latitude, 94.917 deg longitude, and 4,701 ft elevation.

The topography within 2 miles of Bayan-Ovoo contains only modest variations in elevation, with a maximum elevation change of 410 feet and an average elevation above sea level of 4,685 feet. Within 10 miles contains only modest variations in elevation (2,684 feet). Within 50 miles contains large variations in elevation (11,512 feet).

The area within 2 miles of Bayan-Ovoo is covered by bare soil (100%), within 10 miles by bare soil (100%), and within 50 miles by bare soil (100%).