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December Weather in Vostok, Russian Federation

Last updated: August 27, 2025

In Vostok, Russian Federation, the average temperature in December hovers around -18°C (1°F), with minimums plummeting to -38°C (-37°F) and maximums reaching up to 3°C (37°F). This chilly month sees an average precipitation of 37 mm (1.4 in) over approximately 8 days, contributing to a high average humidity of 92%. Embrace the winter wonderland!

December Temperature in Vostok

In December in Vostok, the average temperature is -18°C (-1°F), with a maximum that can reach 3°C (37°F) and a minimum that can drop as low as -38°C (-37°F). Travelers should prepare for extremely cold conditions and pack accordingly.

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

The chart illustrates December temperature patterns in Vostok, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vostok, December typically has an average temperature of -18°C (-1°F), with highs reaching up to 3°C (37°F) and lows dropping to around -38°C (-37°F).
JanFebMarAprMayJunJulAugSepOctNovDec-43233852586965553921-1
Data source: Temperature data for Vostok 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 Vostok

In Vostok in December, the precipitation amount is 37 mm (1.4 in) spread over 8 days.

December Precipitation Trends in Vostok

The chart displays monthly precipitation patterns in Vostok, 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 Vostok, December typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec20265252105168150216134976737
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Vostok

In Vostok in December, humidity is 92%. With an average temperature of -18°C (-1°F), this humidity feels like a biting cold that cuts through layers of clothing, making outdoor exploration quite challenging and uncomfortable for travelers.

December Average Humidity in Vostok

This chart illustrates the average monthly humidity levels in Vostok, 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 Vostok is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%91%85%86%87%90%90%89%86%80%92%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Vostok

In Vostok 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 Vostok.

Maximum UV Index Levels in Vostok for December

The chart shows the monthly maximum UV Index (UVI) for Vostok 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 Vostok typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789998421
Data source: Vostok 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 Vostok Compares to Other Months

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

This table compares monthly weather conditions in Vostok, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-4°F)20 mm (0.8 inches)97%low
February Weather-16°C (3°F)26 mm (1.0 inches)95%moderate
March Weather-5°C (23°F)51 mm (2.0 inches)91%moderate
April Weather3°C (38°F)52 mm (2.1 inches)85%high
May Weather11°C (52°F)105 mm (4.1 inches)86%very high
June Weather15°C (59°F)167 mm (6.6 inches)86%very high
July Weather20°C (69°F)150 mm (5.9 inches)90%very high
August Weather18°C (65°F)216 mm (8.5 inches)90%very high
September Weather13°C (55°F)134 mm (5.3 inches)89%very high
October Weather4°C (39°F)97 mm (3.8 inches)86%moderate
November Weather-6°C (21°F)67 mm (2.6 inches)80%low
December Weather-18°C (-1°F)37 mm (1.4 inches)92%low

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