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December Weather in Bayantsagaan, Mongolia

Last updated: August 28, 2025

In Bayantsagaan, Mongolia, the average temperature in December hovers around -17°C (3°F). During this month, temperatures can plummet to a chilling -35°C (-31°F), while rarely peaking at a mild -1°C (30°F). Expect minimal precipitation, averaging just 3 mm (0.1 in) over a day, and a high average humidity of 86%, making for a crisp yet damp atmosphere.

December Temperature in Bayantsagaan

In December in Bayantsagaan, the average temperature is -17°C (3°F). Maximum temperatures can reach -1°C (30°F), while the minimum can drop as low as -35°C (-31°F). Travelers should be prepared for extremely cold conditions and dress in layers to stay warm.

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

The chart illustrates December temperature patterns in Bayantsagaan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayantsagaan, December typically has an average temperature of -17°C (3°F), with highs reaching up to -1°C (30°F) and lows dropping to around -35°C (-31°F).
JanFebMarAprMayJunJulAugSepOctNovDec-252237495961574730162
Data source: Temperature data for Bayantsagaan 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 Bayantsagaan

In Bayantsagaan in December, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

December Precipitation Trends in Bayantsagaan

The chart displays monthly precipitation patterns in Bayantsagaan, 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 Bayantsagaan, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec3711253869125122442583
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bayantsagaan

In Bayantsagaan in December humidity is 86%. With an average temperature of -17°C (3°F), this humidity feels like a biting cold that seeps into your bones, making it challenging to enjoy outdoor activities and requiring extra layers of clothing to stay warm.

December Average Humidity in Bayantsagaan

This chart illustrates the average monthly humidity levels in Bayantsagaan, 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 Bayantsagaan is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%74%72%74%68%73%79%77%78%76%78%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bayantsagaan

In Bayantsagaan 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 Bayantsagaan.

Maximum UV Index Levels in Bayantsagaan for December

The chart shows the monthly maximum UV Index (UVI) for Bayantsagaan 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 Bayantsagaan typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799996521
Data source: Bayantsagaan 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 Bayantsagaan Compares to Other Months

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

This table compares monthly weather conditions in Bayantsagaan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-2°F)3 mm (0.1 inches)85%low
February Weather-15°C (5°F)7 mm (0.3 inches)74%moderate
March Weather-5°C (23°F)11 mm (0.4 inches)72%moderate
April Weather3°C (37°F)25 mm (1.0 inches)74%high
May Weather9°C (49°F)38 mm (1.5 inches)68%very high
June Weather15°C (59°F)69 mm (2.7 inches)73%very high
July Weather16°C (61°F)125 mm (4.9 inches)79%very high
August Weather14°C (57°F)122 mm (4.8 inches)77%very high
September Weather8°C (47°F)44 mm (1.7 inches)78%high
October Weather-1°C (30°F)25 mm (1.0 inches)76%moderate
November Weather-9°C (16°F)8 mm (0.3 inches)78%low
December Weather-17°C (3°F)3 mm (0.1 inches)86%low

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