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December Weather in Sumber, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Sumber, Mongolia hovers around -19°C (-2°F). Expect chilly extremes, with minimum temperatures dipping to -38°C (-37°F) and occasionally reaching a maximum of 4°C (40°F). With an average humidity of 89% and precipitation totaling 6 mm (0.2 in) over just 1 day, prepare for a brisk and damp winter experience.

December Temperature in Sumber

In December in Sumber, the average temperature is -19°C (-2°F), with maximums reaching 4°C (40°F) and minimums dropping as low as -38°C (-37°F). Travelers should be prepared for extremely cold weather conditions and dress accordingly to stay warm.

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

The chart illustrates December temperature patterns in Sumber, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumber, December typically has an average temperature of -19°C (-2°F), with highs reaching up to 4°C (40°F) and lows dropping to around -38°C (-37°F).
JanFebMarAprMayJunJulAugSepOctNovDec-7-1214155667266553716-2
Data source: Temperature data for Sumber 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 Sumber

In Sumber in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in Sumber

The chart displays monthly precipitation patterns in Sumber, 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 Sumber, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec487123954103112592096
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sumber

In Sumber in December, humidity is 89%. With an average temperature of -19°C (-2°F), this humidity makes traveling feel incredibly biting and sharp, as the cold air amplifies the chill factor, leaving you feeling even colder than the temperature suggests.

December Average Humidity in Sumber

This chart illustrates the average monthly humidity levels in Sumber, 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 Sumber is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%79%60%67%75%83%85%84%78%72%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sumber

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

Maximum UV Index Levels in Sumber for December

The chart shows the monthly maximum UV Index (UVI) for Sumber 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 Sumber typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689996422
Data source: Sumber 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 Sumber Compares to Other Months

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

This table compares monthly weather conditions in Sumber, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-22°C (-7°F)4 mm (0.1 inches)95%low
February Weather-18°C (-1°F)8 mm (0.3 inches)93%moderate
March Weather-6°C (22°F)7 mm (0.3 inches)79%moderate
April Weather5°C (41°F)12 mm (0.5 inches)60%high
May Weather13°C (55°F)39 mm (1.5 inches)67%very high
June Weather19°C (67°F)54 mm (2.1 inches)75%very high
July Weather22°C (73°F)103 mm (4.0 inches)83%very high
August Weather19°C (66°F)112 mm (4.4 inches)85%very high
September Weather13°C (56°F)59 mm (2.3 inches)84%high
October Weather3°C (38°F)20 mm (0.8 inches)78%moderate
November Weather-9°C (17°F)9 mm (0.4 inches)72%low
December Weather-19°C (-2°F)6 mm (0.2 inches)89%low

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