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December Weather in Oster, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Oster, Russian Federation hovers around -2°C (28°F), with extremes plunging to a chilling -20°C (-4°F) and occasionally reaching up to 10°C (49°F). Expect about 63 mm (2.5 in) of precipitation spread across 14 days, and be prepared for high humidity levels averaging a steamy 95%.

December Temperature in Oster

In December in Oster, the average temperature is -2°C (28°F), with a maximum reaching 10°C (49°F) and a minimum dipping as low as -20°C (-4°F). Travelers should pack warm clothing and be prepared for chilly conditions during this time.

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

The chart illustrates December temperature patterns in Oster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oster, December typically has an average temperature of -2°C (28°F), with highs reaching up to 10°C (49°F) and lows dropping to around -20°C (-4°F).
JanFebMarAprMayJunJulAugSepOctNovDec242533435564656455453528
Data source: Temperature data for Oster 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 Oster

In Oster in December, the precipitation amount is 63 mm (2.5 in) over a span of 14 days.

December Precipitation Trends in Oster

The chart displays monthly precipitation patterns in Oster, 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 Oster, December typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec4646414473851237857544363
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Oster

In Oster in December humidity is 95%. With an average temperature of -2°C (28°F), this humidity feels like a damp, frigid chill that seeps into your bones, making traveling uncomfortable and the air heavy with a biting cold that dampens your spirits.

December Average Humidity in Oster

This chart illustrates the average monthly humidity levels in Oster, 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 Oster is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%92%91%83%71%72%70%68%78%89%93%95%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Oster

In Oster 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 Oster.

Maximum UV Index Levels in Oster for December

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

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

This table compares monthly weather conditions in Oster, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)46 mm (1.8 inches)97%low
February Weather-4°C (25°F)46 mm (1.8 inches)92%low
March Weather0°C (33°F)41 mm (1.6 inches)91%moderate
April Weather6°C (44°F)44 mm (1.7 inches)83%moderate
May Weather13°C (55°F)73 mm (2.9 inches)71%high
June Weather18°C (64°F)85 mm (3.4 inches)72%very high
July Weather18°C (65°F)123 mm (4.8 inches)70%high
August Weather18°C (64°F)78 mm (3.1 inches)68%high
September Weather13°C (55°F)57 mm (2.2 inches)78%moderate
October Weather7°C (46°F)54 mm (2.1 inches)89%moderate
November Weather1°C (35°F)42 mm (1.7 inches)93%low
December Weather-2°C (28°F)63 mm (2.5 inches)95%low

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