December Weather in Bayanbulag, Mongolia

Last updated: August 28, 2025

In Bayanbulag, Mongolia, the average temperature in December hovers around -20°C (-4°F), with extremes ranging from a chilling -42°C (-43°F) to a slightly milder -3°C (27°F). During this time, you can expect a scant 2 mm (0.1 in) of precipitation over 0 days, resulting in an average humidity level of 96%.

December Temperature in Bayanbulag

In December in Bayanbulag, the average temperature is -20°C (-4°F). The maximum can reach -3°C (27°F), and the minimum can be as low as -42°C (-43°F). Visitors should be prepared for extreme cold conditions and dress accordingly to ensure a safe and enjoyable travel experience.

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

The chart illustrates December temperature patterns in Bayanbulag, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayanbulag, December typically has an average temperature of -20°C (-4°F), with highs reaching up to -3°C (27°F) and lows dropping to around -42°C (-43°F).
JanFebMarAprMayJunJulAugSepOctNovDec-71173344545854442711-5
Data source: Temperature data for Bayanbulag 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 Bayanbulag

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

December Precipitation Trends in Bayanbulag

The chart displays monthly precipitation patterns in Bayanbulag, 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 Bayanbulag, December typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec249192037627320952
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bayanbulag

In Bayanbulag in December, humidity is 96%. With an average temperature of -20°C (-4°F), this humidity feels like trudging through a frozen fog that clings to your skin, making every breath a sharp reminder of the biting cold, while the damp air exacerbates the chill, creating an uncomfortable atmosphere for traveling.

December Average Humidity in Bayanbulag

This chart illustrates the average monthly humidity levels in Bayanbulag, 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 Bayanbulag is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%91%82%71%54%56%57%61%66%70%84%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bayanbulag

In Bayanbulag 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 Bayanbulag, you can visit Hourly UV Index in Bayanbulag.

Maximum UV Index Levels in Bayanbulag for December

The chart shows the monthly maximum UV Index (UVI) for Bayanbulag 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 Bayanbulag typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2368111010107532
Data source: Bayanbulag 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 Bayanbulag Compares to Other Months

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

This table compares monthly weather conditions in Bayanbulag, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-6°F)2 mm (0.1 inches)96%low
February Weather-17°C (1°F)4 mm (0.1 inches)91%moderate
March Weather-8°C (17°F)9 mm (0.3 inches)82%high
April Weather1°C (33°F)19 mm (0.7 inches)71%very high
May Weather7°C (45°F)20 mm (0.8 inches)54%extreme
June Weather12°C (54°F)37 mm (1.4 inches)56%very high
July Weather14°C (58°F)62 mm (2.4 inches)57%very high
August Weather12°C (54°F)73 mm (2.9 inches)61%very high
September Weather6°C (44°F)20 mm (0.8 inches)65%high
October Weather-3°C (27°F)9 mm (0.3 inches)70%moderate
November Weather-12°C (11°F)5 mm (0.2 inches)84%moderate
December Weather-20°C (-4°F)2 mm (0.1 inches)96%low

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