December Weather in Tavin Mongolia

Daily high temperatures decrease by 8°F, from 15°F to 7°F, rarely falling below -4°F or exceeding 26°F.

Daily low temperatures decrease by 7°F, from -5°F to -12°F, rarely falling below -23°F or exceeding 5°F.

For reference, on July 19, the hottest day of the year, temperatures in Tavin typically range from 55°F to 78°F, while on January 18, the coldest day of the year, they range from -15°F to 6°F.

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.

High Level, Canada (4,793 miles away) is the far-away foreign place with temperatures most similar to Tavin (view comparison).

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The month of December in Tavin 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 highest chance of overcast or mostly cloudy conditions is 38% on December 20.

The clearest day of the month is December 4, with clear, mostly clear, or partly cloudy conditions 64% of the time.

For reference, on May 10, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 45%, while on September 30, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 66%.

Over the course of December in Tavin, the length of the day is essentially constant. The shortest day of the month is December 21, with 8 hours, 35 minutes of daylight and the longest day is December 1, with 8 hours, 52 minutes of daylight.

The earliest sunrise of the month in Tavin is 8:19 AM on December 1 and the latest sunrise is 21 minutes later at 8:40 AM on December 31.

The earliest sunset is 5:10 PM on December 10 and the latest sunset is 10 minutes later at 5:19 PM on December 31.

Daylight saving time is not observed in Tavin during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:04 AM and sets 15 hours, 49 minutes later, at 8:53 PM, while on December 21, the shortest day of the year, it rises at 8:37 AM and sets 8 hours, 35 minutes later, at 5:12 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 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.

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 Tavin 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.

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 Tavin is essentially constant during December, remaining within 0.2 miles per hour of 11.1 miles per hour throughout.

For reference, on April 18, 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 9.0 miles per hour.

The highest daily average wind speed during December is 11.3 miles per hour on December 6.

The hourly average wind direction in Tavin throughout December is predominantly from the west, with a peak proportion of 47% on December 7.

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 Tavin typically lasts for 3.7 months (112 days), from around May 22 to around September 11, rarely starting before May 6 or after June 7, and rarely ending before August 26 or after September 26.

The month of December in Tavin 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 Tavin are essentially constant during December, remaining around 1,674°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 Tavin 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.

For the purposes of this report, the geographical coordinates of Tavin are 46.392 deg latitude, 105.735 deg longitude, and 4,862 ft elevation.

The topography within 2 miles of Tavin contains only modest variations in elevation, with a maximum elevation change of 417 feet and an average elevation above sea level of 4,868 feet. Within 10 miles contains only modest variations in elevation (1,207 feet). Within 50 miles contains very significant variations in elevation (2,411 feet).

The area within 2 miles of Tavin is covered by bare soil (98%), within 10 miles by bare soil (82%) and sparse vegetation (17%), and within 50 miles by bare soil (71%) and sparse vegetation (28%).