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December Weather in Kaluga, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Kaluga, Russian Federation hovers around -3°C (26°F), with minimums plummeting to -22°C (-7°F) and maximums peaking at a mild 8°C (47°F). Prepare for wet conditions as 62 mm (2.4 in) of precipitation falls over about 13 days, and expect a high level of humidity at 94%. Stay warm and dry!

December Temperature in Kaluga

In December in Kaluga, the average temperature is -3°C (26°F), with maximums reaching up to 8°C (47°F) and minimums dropping as low as -22°C (-7°F). Travelers should be prepared for cold conditions and dress warmly to enjoy the unique winter atmosphere.

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

The chart illustrates December temperature patterns in Kaluga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kaluga, December typically has an average temperature of -3°C (26°F), with highs reaching up to 8°C (47°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec232331435564656455453326
Data source: Temperature data for Kaluga 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 Kaluga

In Kaluga in December, the precipitation amount is 62 mm (2.4 in) over the course of 13 days.

December Precipitation Trends in Kaluga

The chart displays monthly precipitation patterns in Kaluga, 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 Kaluga, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec434634467365975749474162
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kaluga

In Kaluga in December humidity is 94%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that penetrates your layers, making travel uncomfortable and forcing you to seek warmth more urgently than usual.

December Average Humidity in Kaluga

This chart illustrates the average monthly humidity levels in Kaluga, 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 Kaluga is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%83%75%76%79%78%86%91%95%94%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Kaluga

In Kaluga 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 Kaluga.

Maximum UV Index Levels in Kaluga for December

The chart shows the monthly maximum UV Index (UVI) for Kaluga 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 Kaluga typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224568775321
Data source: Kaluga 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 Kaluga Compares to Other Months

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

This table compares monthly weather conditions in Kaluga, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)43 mm (1.7 inches)97%low
February Weather-5°C (23°F)46 mm (1.8 inches)95%low
March Weather-1°C (31°F)34 mm (1.4 inches)92%moderate
April Weather6°C (43°F)46 mm (1.8 inches)83%moderate
May Weather13°C (55°F)73 mm (2.9 inches)75%high
June Weather18°C (64°F)65 mm (2.5 inches)76%very high
July Weather19°C (66°F)97 mm (3.8 inches)79%high
August Weather18°C (64°F)56 mm (2.2 inches)78%high
September Weather13°C (55°F)48 mm (1.9 inches)86%moderate
October Weather7°C (45°F)47 mm (1.8 inches)91%moderate
November Weather1°C (34°F)41 mm (1.6 inches)95%low
December Weather-3°C (26°F)62 mm (2.4 inches)94%low

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