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December Weather in Kostrovo, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Kostrovo, Russian Federation hovers around -4°C (25°F), with extremes reaching as low as -23°C (-9°F) and peaking at 7°C (45°F). You'll likely experience damp conditions, with 62 mm (2.4 in) of precipitation spread over 14 days. Expect high humidity levels averaging 94%, adding to the chilly ambiance.

December Temperature in Kostrovo

In December in Kostrovo, the average temperature is -4°C (25°F). The maximum can reach 7°C (45°F), while the minimum can drop as low as -23°C (-9°F). It's advisable to pack warm clothing if you're planning to travel during this time.

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

The chart illustrates December temperature patterns in Kostrovo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kostrovo, December typically has an average temperature of -4°C (25°F), with highs reaching up to 7°C (45°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec222330425462656354443325
Data source: Temperature data for Kostrovo 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 Kostrovo

In Kostrovo in December, the precipitation amount is 62 mm (2.4 in) over a span of 14 days.

December Precipitation Trends in Kostrovo

The chart displays monthly precipitation patterns in Kostrovo, 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 Kostrovo, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4246435274831106962574662
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kostrovo

In Kostrovo in December, humidity is 94%. With an average temperature of -4°C (25°F), this humidity feels like a bitter chill that seeps into your bones, making travel outside uncomfortable and necessitating extra layers to stay warm and dry.

December Average Humidity in Kostrovo

This chart illustrates the average monthly humidity levels in Kostrovo, 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 Kostrovo 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 Kostrovo

In Kostrovo 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 Kostrovo.

Maximum UV Index Levels in Kostrovo for December

The chart shows the monthly maximum UV Index (UVI) for Kostrovo 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 Kostrovo typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124567765321
Data source: Kostrovo 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 Kostrovo Compares to Other Months

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

This table compares monthly weather conditions in Kostrovo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)42 mm (1.7 inches)97%low
February Weather-5°C (23°F)46 mm (1.8 inches)95%low
March Weather-1°C (30°F)43 mm (1.7 inches)92%moderate
April Weather5°C (42°F)52 mm (2.1 inches)83%moderate
May Weather12°C (54°F)74 mm (2.9 inches)75%high
June Weather17°C (63°F)83 mm (3.3 inches)76%high
July Weather18°C (65°F)109 mm (4.3 inches)79%high
August Weather17°C (63°F)69 mm (2.7 inches)78%high
September Weather12°C (54°F)62 mm (2.4 inches)86%moderate
October Weather7°C (44°F)57 mm (2.2 inches)91%moderate
November Weather1°C (33°F)46 mm (1.8 inches)95%low
December Weather-4°C (25°F)62 mm (2.4 inches)94%low

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