December Weather in Sayansk, Russian Federation

Last updated: August 27, 2025

In Sayansk, Russian Federation, the average temperature in December hovers around -18°C (1°F), with a chilling minimum of -42°C (-43°F) and a maximum that barely reaches 0°C (32°F). Expect 28 mm (1.1 in) of precipitation spread over 9 days, contributing to an average humidity of a brisk 95%. Prepare for a truly wintry experience!

December Temperature in Sayansk

In December in Sayansk, the average temperature is -18°C (1°F). The maximum can reach 0°C (32°F), while the minimum can drop as low as -42°C (-43°F). Travelers should be prepared for extremely cold conditions and dress accordingly to ensure comfort during their visit.

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

The chart illustrates December temperature patterns in Sayansk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sayansk, December typically has an average temperature of -18°C (1°F), with highs reaching up to 0°C (32°F) and lows dropping to around -42°C (-43°F).
JanFebMarAprMayJunJulAugSepOctNovDec-512139516366624834150
Data source: Temperature data for Sayansk 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 Sayansk

In Sayansk in December, the precipitation amount is 28 mm (1.1 in) spread over 9 days.

December Precipitation Trends in Sayansk

The chart displays monthly precipitation patterns in Sayansk, 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 Sayansk, December typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec131317164869896970201628
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sayansk

In Sayansk in December, humidity is 95%. With an average temperature of -18°C (1°F), this humidity feels like an oppressive chill that can make travel uncomfortable, as the moisture in the air clings to your skin and seeps into your clothing, creating a biting sensation that can make even short outings feel unbearable.

December Average Humidity in Sayansk

This chart illustrates the average monthly humidity levels in Sayansk, 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 Sayansk is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%88%81%77%74%73%76%78%84%86%91%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sayansk

In Sayansk 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 Sayansk.

Maximum UV Index Levels in Sayansk for December

The chart shows the monthly maximum UV Index (UVI) for Sayansk 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 Sayansk typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124577775311
Data source: Sayansk 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 Sayansk Compares to Other Months

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

This table compares monthly weather conditions in Sayansk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-5°F)12 mm (0.5 inches)93%low
February Weather-17°C (1°F)13 mm (0.5 inches)88%low
March Weather-6°C (21°F)17 mm (0.7 inches)81%moderate
April Weather4°C (39°F)16 mm (0.6 inches)77%moderate
May Weather10°C (51°F)48 mm (1.9 inches)74%high
June Weather17°C (63°F)69 mm (2.7 inches)73%high
July Weather19°C (66°F)89 mm (3.5 inches)76%high
August Weather16°C (62°F)69 mm (2.7 inches)78%high
September Weather9°C (49°F)70 mm (2.8 inches)84%moderate
October Weather1°C (34°F)20 mm (0.8 inches)86%moderate
November Weather-9°C (15°F)16 mm (0.6 inches)91%low
December Weather-18°C (1°F)28 mm (1.1 inches)95%low

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