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December Weather in Bayanhoshuu, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Bayanhoshuu, Mongolia plunges to a frigid -21°C (-5°F). While you may experience a chilling minimum of -44°C (-46°F), the mercury can also rise to a modest maximum of -3°C (26°F). Expect minimal precipitation, with just 2 mm (0.1 in) over 0 days, and prepare for a high average humidity of 89%.

December Temperature in Bayanhoshuu

In December in Bayanhoshuu, the average temperature is -21°C (-5°F). The maximum can reach -3°C (26°F), while the minimum can dip to a frigid -44°C (-46°F). Travelers should be prepared for extreme cold conditions and dress appropriately to enjoy their visit.

December Weather in Bayanhoshuu: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bayanhoshuu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayanhoshuu, December typically has an average temperature of -21°C (-5°F), with highs reaching up to -3°C (26°F) and lows dropping to around -44°C (-46°F).
JanFebMarAprMayJunJulAugSepOctNovDec-7-1163343535753432710-5
Data source: Temperature data for Bayanhoshuu generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bayanhoshuu

In Bayanhoshuu in December, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

December Precipitation Trends in Bayanhoshuu

The chart displays monthly precipitation patterns in Bayanhoshuu, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Bayanhoshuu, December typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec259202340727828962
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bayanhoshuu

In Bayanhoshuu in December humidity is 89%. With an average temperature of -21°C (-5°F), this humidity feels like an icy blanket that clings to your skin, making the already frigid air seem even more biting and uncomfortable for traveling.

December Average Humidity in Bayanhoshuu

This chart illustrates the average monthly humidity levels in Bayanhoshuu, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Bayanhoshuu is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%81%72%69%54%61%65%65%68%68%75%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bayanhoshuu

In Bayanhoshuu in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Bayanhoshuu, you can visit Hourly UV Index in Bayanhoshuu.

Maximum UV Index Levels in Bayanhoshuu for December

The chart shows the monthly maximum UV Index (UVI) for Bayanhoshuu in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Bayanhoshuu typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2369111010107532
Data source: Bayanhoshuu December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Bayanhoshuu Compares to Other Months

Weather in Bayanhoshuu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bayanhoshuu, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Bayanhoshuu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-22°C (-7°F)2 mm (0.1 inches)89%low
February Weather-18°C (-1°F)5 mm (0.2 inches)81%moderate
March Weather-9°C (16°F)9 mm (0.4 inches)72%high
April Weather0°C (33°F)20 mm (0.8 inches)69%very high
May Weather6°C (44°F)23 mm (0.9 inches)54%extreme
June Weather12°C (53°F)40 mm (1.6 inches)60%very high
July Weather14°C (57°F)72 mm (2.8 inches)64%very high
August Weather11°C (53°F)78 mm (3.1 inches)65%very high
September Weather6°C (44°F)28 mm (1.1 inches)68%high
October Weather-3°C (27°F)9 mm (0.4 inches)68%moderate
November Weather-12°C (10°F)6 mm (0.3 inches)75%moderate
December Weather-21°C (-5°F)2 mm (0.1 inches)89%low

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