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December Weather in Bayan-Ovoo, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Bayan-Ovoo, Mongolia hovers around -10°C (15°F). Expect minimums plunging to -24°C (-11°F), while the maximum can reach a brisk 5°C (41°F). Precipitation is minimal, with just 1 mm (0.0 in) expected over 0 days, and a notable average humidity of 80% adds to the season's chill.

December Temperature in Bayan-Ovoo

In December in Bayan-Ovoo, the average temperature is -10°C (15°F), with maximums reaching 5°C (41°F) and minimums dropping as low as -24°C (-11°F). Travelers should be prepared for cold conditions and dress accordingly to enjoy their visit.

December Weather in Bayan-Ovoo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Bayan-Ovoo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bayan-Ovoo, December typically has an average temperature of -10°C (15°F), with highs reaching up to 5°C (41°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec122036506170757161432714
Data source: Temperature data for Bayan-Ovoo 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 Bayan-Ovoo

In Bayan-Ovoo in December, the precipitation amount is 1 mm (0.0 in) during a span of 0 days.

December Precipitation Trends in Bayan-Ovoo

The chart displays monthly precipitation patterns in Bayan-Ovoo, 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 Bayan-Ovoo, December typically receives around 1 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec24239713213221
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Bayan-Ovoo

In Bayan-Ovoo in December, humidity is 80%. With an average temperature of -10°C (15°F), this humidity feels like a biting chill that seeps into your bones, making outdoor excursions a brisk challenge where each breath feels sharper and every step crunches underfoot.

December Average Humidity in Bayan-Ovoo

This chart illustrates the average monthly humidity levels in Bayan-Ovoo, 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 Bayan-Ovoo is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%71%52%45%32%30%32%35%41%52%63%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bayan-Ovoo

In Bayan-Ovoo 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 Bayan-Ovoo, you can visit Hourly UV Index in Bayan-Ovoo.

Maximum UV Index Levels in Bayan-Ovoo for December

The chart shows the monthly maximum UV Index (UVI) for Bayan-Ovoo 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 Bayan-Ovoo typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2368101010107532
Data source: Bayan-Ovoo 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 Bayan-Ovoo Compares to Other Months

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

This table compares monthly weather conditions in Bayan-Ovoo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)2 mm (0.1 inches)82%low
February Weather-7°C (20°F)3 mm (0.1 inches)71%moderate
March Weather2°C (36°F)2 mm (0.1 inches)52%high
April Weather10°C (50°F)3 mm (0.1 inches)45%very high
May Weather16°C (61°F)9 mm (0.3 inches)32%very high
June Weather21°C (71°F)7 mm (0.3 inches)30%very high
July Weather24°C (75°F)13 mm (0.5 inches)32%very high
August Weather22°C (71°F)21 mm (0.8 inches)35%very high
September Weather16°C (61°F)2 mm (0.1 inches)41%high
October Weather6°C (43°F)2 mm (0.1 inches)52%moderate
November Weather-3°C (28°F)2 mm (0.1 inches)63%moderate
December Weather-10°C (15°F)1 mm (0.0 inches)80%low

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