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December Weather in Mayhan, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Mayhan, Mongolia hovers around -15°C (4°F), making it a chilly season. Be prepared for potentially frigid nights, as temperatures can plummet to a bone-chilling -31°C (-24°F), while daytime highs reach a modest 5°C (40°F). Despite this cold, precipitation is minimal, with only 3 mm (0.1 in) expected over 0 days. The air remains damp, showcasing an average humidity level of 78%.

December Temperature in Mayhan

In December in Mayhan, the average temperature is -15°C (4°F). The maximum can reach 5°C (40°F) and the minimum can be as low as -31°C (-24°F). It's essential to dress warmly and be prepared for extreme cold temperatures while traveling during this time.

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

The chart illustrates December temperature patterns in Mayhan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mayhan, December typically has an average temperature of -15°C (4°F), with highs reaching up to 5°C (40°F) and lows dropping to around -31°C (-24°F).
JanFebMarAprMayJunJulAugSepOctNovDec292742556670655637214
Data source: Temperature data for Mayhan 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 Mayhan

In Mayhan in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

December Precipitation Trends in Mayhan

The chart displays monthly precipitation patterns in Mayhan, 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 Mayhan, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec24810911434213633
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mayhan

In Mayhan in December humidity is 78%. With an average temperature of -15°C (4°F), this humidity feels like an icy chill that seeps into your bones, making travel uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Mayhan

This chart illustrates the average monthly humidity levels in Mayhan, 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 Mayhan is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%65%46%46%36%40%41%43%45%49%55%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mayhan

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

Maximum UV Index Levels in Mayhan for December

The chart shows the monthly maximum UV Index (UVI) for Mayhan 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 Mayhan typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2358101010107532
Data source: Mayhan 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 Mayhan Compares to Other Months

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

This table compares monthly weather conditions in Mayhan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-17°C (2°F)2 mm (0.1 inches)77%low
February Weather-13°C (9°F)4 mm (0.1 inches)65%moderate
March Weather-3°C (27°F)8 mm (0.3 inches)46%moderate
April Weather6°C (43°F)10 mm (0.4 inches)46%very high
May Weather13°C (55°F)9 mm (0.3 inches)36%very high
June Weather19°C (67°F)11 mm (0.4 inches)40%very high
July Weather21°C (70°F)43 mm (1.7 inches)41%very high
August Weather18°C (65°F)42 mm (1.7 inches)43%very high
September Weather13°C (56°F)13 mm (0.5 inches)45%high
October Weather3°C (37°F)6 mm (0.2 inches)49%moderate
November Weather-6°C (21°F)3 mm (0.1 inches)55%moderate
December Weather-15°C (4°F)3 mm (0.1 inches)78%low

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