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December Weather in Ostashevo, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Ostashevo, Russian Federation drops to a chilly -4°C (26°F). While the mercury can plummet as low as -22°C (-8°F), it can also rise to a maximum of 8°C (46°F). During this frosty month, 66 mm (2.6 in) of precipitation may fall over approximately 15 days, contributing to a high average humidity of 94%.

December Temperature in Ostashevo

In December in Ostashevo, the average temperature is -4°C (26°F), with maximums reaching 8°C (46°F) and minimums plummeting to -22°C (-8°F). Travelers should be prepared for a wide range of temperatures during this time, ensuring they pack appropriately for both cold and mild conditions.

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

The chart illustrates December temperature patterns in Ostashevo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostashevo, December typically has an average temperature of -4°C (26°F), with highs reaching up to 8°C (46°F) and lows dropping to around -22°C (-8°F).
JanFebMarAprMayJunJulAugSepOctNovDec222330425462646354443325
Data source: Temperature data for Ostashevo 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 Ostashevo

In Ostashevo in December, the total precipitation amount is 66 mm (2.6 in) spread over 15 days.

December Precipitation Trends in Ostashevo

The chart displays monthly precipitation patterns in Ostashevo, 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 Ostashevo, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec4243444964801137062584366
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ostashevo

In Ostashevo in December, humidity is 94%. With an average temperature of -4°C (26°F), this humidity feels like a bone-chilling dampness that penetrates your clothes, making travel uncomfortable and necessitating extra layers just to stay warm while battling the wet cold.

December Average Humidity in Ostashevo

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

In Ostashevo 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 Ostashevo.

Maximum UV Index Levels in Ostashevo for December

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

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

This table compares monthly weather conditions in Ostashevo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)41 mm (1.6 inches)97%low
February Weather-5°C (23°F)43 mm (1.7 inches)95%low
March Weather-1°C (31°F)44 mm (1.7 inches)92%moderate
April Weather5°C (42°F)49 mm (1.9 inches)83%moderate
May Weather12°C (54°F)64 mm (2.5 inches)75%high
June Weather17°C (63°F)80 mm (3.2 inches)76%high
July Weather18°C (65°F)113 mm (4.5 inches)79%high
August Weather17°C (63°F)70 mm (2.8 inches)78%high
September Weather12°C (54°F)62 mm (2.4 inches)86%moderate
October Weather7°C (44°F)58 mm (2.3 inches)91%moderate
November Weather1°C (34°F)43 mm (1.7 inches)95%low
December Weather-4°C (26°F)66 mm (2.6 inches)94%low

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