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December Weather in Bayanhoshuu, Mongolia

Last updated: August 28, 2025

In Bayanhoshuu, Mongolia, the average temperature in December hovers around -18°C (0°F), with extremes ranging from a frigid -31°C (-24°F) to a milder 3°C (37°F). The region sees a minimal precipitation of 2 mm (0.1 in), spread across 0 days, leading to a staggering average humidity of 95%.

December Temperature in Bayanhoshuu

In December in Bayanhoshuu, the average temperature is -18°C (0°F), with maximums reaching up to 3°C (37°F) and minimums plummeting to as low as -31°C (-24°F). Travelers should be prepared for extreme cold conditions and ensure they have proper winter gear to stay warm and comfortable.

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 -18°C (0°F), with highs reaching up to 3°C (37°F) and lows dropping to around -31°C (-24°F).
JanFebMarAprMayJunJulAugSepOctNovDec-56264558697268573920-0
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.
JanFebMarAprMayJunJulAugSepOctNovDec12651312252412622
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 95%. With an average temperature of -18°C (0°F), this humidity feels like an icy fog clinging to your skin, making traveling extremely challenging as you battle the biting cold and dampness that seeps through your layers, leaving you feeling chilled to the bone.

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 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%88%80%71%57%56%64%68%70%79%87%95%
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 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the 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 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357109986421
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-20°C (-4°F)1 mm (0.0 inches)94%low
February Weather-15°C (6°F)2 mm (0.1 inches)88%moderate
March Weather-3°C (26°F)6 mm (0.2 inches)80%moderate
April Weather7°C (45°F)5 mm (0.2 inches)71%high
May Weather15°C (58°F)13 mm (0.5 inches)57%very high
June Weather21°C (69°F)12 mm (0.5 inches)56%very high
July Weather22°C (72°F)25 mm (1.0 inches)64%very high
August Weather20°C (68°F)24 mm (0.9 inches)68%very high
September Weather14°C (57°F)12 mm (0.5 inches)70%high
October Weather4°C (39°F)6 mm (0.2 inches)79%moderate
November Weather-7°C (20°F)2 mm (0.1 inches)86%low
December Weather-18°C (0°F)2 mm (0.1 inches)95%low

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