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December Weather in Har-Us, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Har-Us, Mongolia hovers around a brisk -18°C (-1°F). You might experience a chilling minimum of -33°C (-28°F), while the maximum can reach a mild 0°C (33°F). During this month, expect light precipitation of 4 mm (0.1 in) spread over 1 day, accompanied by a high average humidity of 95%. Bundle up and stay warm!

December Temperature in Har-Us

In December, in Har-Us, the average temperature is -18°C (1°F). Maximum temperatures can reach 0°C (33°F), while minimums can drop as low as -33°C (-28°F). Travelers should be well-prepared for extremely cold conditions and dress appropriately to enjoy their visit.

December Weather in Har-Us: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Har-Us, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Har-Us, December typically has an average temperature of -18°C (-1°F), with highs reaching up to 0°C (33°F) and lows dropping to around -33°C (-28°F).
JanFebMarAprMayJunJulAugSepOctNovDec-46244155656863523618-1
Data source: Temperature data for Har-Us 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 Har-Us

In Har-Us in December, the precipitation amount is 4 mm (0.1 in) over the course of 1 day.

December Precipitation Trends in Har-Us

The chart displays monthly precipitation patterns in Har-Us, 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 Har-Us, December typically receives around 4 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec2412132115333816744
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Har-Us

In Har-Us in December, humidity is 95%. With an average temperature of -18°C (-1°F), this humidity feels like an unforgiving chill that seeps into your bones, making each breath feel heavy and every step a challenge while traveling.

December Average Humidity in Har-Us

This chart illustrates the average monthly humidity levels in Har-Us, 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 Har-Us 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 Har-Us

In Har-Us 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 Har-Us.

Maximum UV Index Levels in Har-Us for December

The chart shows the monthly maximum UV Index (UVI) for Har-Us 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 Har-Us typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357109997521
Data source: Har-Us 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 Har-Us Compares to Other Months

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

This table compares monthly weather conditions in Har-Us, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-4°F)2 mm (0.1 inches)94%low
February Weather-15°C (6°F)4 mm (0.1 inches)88%moderate
March Weather-4°C (24°F)12 mm (0.5 inches)80%moderate
April Weather5°C (42°F)13 mm (0.5 inches)71%high
May Weather13°C (55°F)21 mm (0.8 inches)57%very high
June Weather18°C (65°F)15 mm (0.6 inches)56%very high
July Weather20°C (68°F)33 mm (1.3 inches)64%very high
August Weather17°C (64°F)37 mm (1.5 inches)68%very high
September Weather11°C (52°F)16 mm (0.6 inches)70%high
October Weather2°C (36°F)6 mm (0.3 inches)79%moderate
November Weather-8°C (18°F)4 mm (0.1 inches)86%low
December Weather-18°C (-1°F)4 mm (0.1 inches)95%low

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