December Weather in Bratsk, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Bratsk, Russian Federation hovers around -18°C (0°F), with extremes reaching a chilling -42°C (-43°F) at the minimum and peaking at 2°C (35°F). This month also sees 35 mm (1.4 in) of precipitation over 11 days, creating a high average humidity of 99%, making it a truly frosty and damp period.

December Temperature in Bratsk

In December in Bratsk, the average temperature is -18°C (0°F), with a maximum that can reach 2°C (35°F) and a minimum that can plummet to -42°C (-43°F). Travelers should be prepared for extremely cold conditions and dress warmly to enjoy their visit.

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

The chart illustrates December temperature patterns in Bratsk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bratsk, December typically has an average temperature of -18°C (0°F), with highs reaching up to 2°C (35°F) and lows dropping to around -42°C (-43°F).
JanFebMarAprMayJunJulAugSepOctNovDec-40203647616662483516-1
Data source: Temperature data for Bratsk generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Bratsk

In Bratsk in December, the precipitation amount is 35 mm (1.4 in) over a span of 11 days.

December Precipitation Trends in Bratsk

The chart displays monthly precipitation patterns in Bratsk, 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 Bratsk, December typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec151618194645535152282935
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Bratsk

In Bratsk in December humidity is 99%. With an average temperature of -18°C (0°F), this humidity feels like a biting chill that seeps through your layers, making every breath feel sharp in your lungs and turning any exposed skin into a canvas for frostbite.

December Average Humidity in Bratsk

This chart illustrates the average monthly humidity levels in Bratsk, 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 Bratsk is approximately 99%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%95%88%84%75%61%59%60%78%90%97%99%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Bratsk

In Bratsk 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 Bratsk.

Maximum UV Index Levels in Bratsk for December

The chart shows the monthly maximum UV Index (UVI) for Bratsk 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 Bratsk typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567764311
Data source: Bratsk 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 Bratsk Compares to Other Months

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

This table compares monthly weather conditions in Bratsk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-4°F)15 mm (0.6 inches)98%low
February Weather-18°C (1°F)16 mm (0.6 inches)95%low
March Weather-7°C (20°F)17 mm (0.7 inches)88%moderate
April Weather2°C (36°F)19 mm (0.7 inches)84%moderate
May Weather8°C (47°F)46 mm (1.8 inches)75%high
June Weather16°C (61°F)45 mm (1.8 inches)61%high
July Weather19°C (66°F)53 mm (2.1 inches)59%high
August Weather17°C (63°F)51 mm (2.0 inches)60%high
September Weather9°C (49°F)52 mm (2.0 inches)78%moderate
October Weather2°C (35°F)28 mm (1.1 inches)90%moderate
November Weather-9°C (16°F)29 mm (1.1 inches)97%low
December Weather-18°C (0°F)35 mm (1.4 inches)99%low

Compare Bratsk's Climate with Cities Worldwide