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December Weather in Trosna, Russian Federation

Last updated: August 27, 2025

In Trosna, Russian Federation, the average temperature in December hovers around -2°C (28°F), with potential extremes ranging from a chilling -18°C (0°F) to a milder 9°C (49°F). Expect precipitation of about 67 mm (2.6 in) over approximately 12 days, and be prepared for a high humidity level of 94% that adds to the month’s characteristic chill.

December Temperature in Trosna

In December in Trosna, the average temperature is -2°C (28°F), with maximums reaching 9°C (49°F) and minimums dropping as low as -18°C (0°F). It’s advisable to pack warm clothing and be prepared for chilly conditions while exploring this destination.

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

The chart illustrates December temperature patterns in Trosna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trosna, December typically has an average temperature of -2°C (28°F), with highs reaching up to 9°C (49°F) and lows dropping to around -18°C (0°F).
JanFebMarAprMayJunJulAugSepOctNovDec242432455766676757463428
Data source: Temperature data for Trosna 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 Trosna

In Trosna in December, the precipitation amount is 67 mm (2.6 in) distributed over 12 days.

December Precipitation Trends in Trosna

The chart displays monthly precipitation patterns in Trosna, 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 Trosna, December typically receives around 67 mm (2.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec394737428046882950423767
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Trosna

In Trosna in December humidity is 94%. With an average temperature of -2°C (28°F), this humidity feels like damp, biting cold that seeps into your bones, making travel uncomfortable and challenging as each breath carries a chill that clings to your skin.

December Average Humidity in Trosna

This chart illustrates the average monthly humidity levels in Trosna, 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 Trosna is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%95%92%81%67%67%66%61%77%87%94%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Trosna

In Trosna 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 Trosna.

Maximum UV Index Levels in Trosna for December

The chart shows the monthly maximum UV Index (UVI) for Trosna 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 Trosna typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678776321
Data source: Trosna 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 Trosna Compares to Other Months

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

This table compares monthly weather conditions in Trosna, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)39 mm (1.6 inches)98%low
February Weather-4°C (24°F)47 mm (1.8 inches)95%low
March Weather0°C (32°F)37 mm (1.5 inches)92%moderate
April Weather7°C (45°F)42 mm (1.6 inches)81%high
May Weather14°C (57°F)80 mm (3.2 inches)67%high
June Weather19°C (66°F)45 mm (1.8 inches)67%very high
July Weather20°C (68°F)88 mm (3.5 inches)66%high
August Weather19°C (67°F)29 mm (1.1 inches)61%high
September Weather14°C (58°F)50 mm (2.0 inches)77%high
October Weather8°C (47°F)42 mm (1.7 inches)87%moderate
November Weather1°C (34°F)37 mm (1.5 inches)94%low
December Weather-2°C (28°F)67 mm (2.6 inches)94%low

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