December Weather in Sayansk, Russian Federation

Last updated: August 27, 2025

In Sayansk, Russian Federation, the average temperature in December hovers around -15°C (6°F). While the mercury can plummet to a chilling -40°C (-40°F), it may also rise to a mild 2°C (37°F). Expect a precipitation amount of approximately 28 mm (1.1 in) spread over 9 days, accompanied by a high average humidity of 96%.

December Temperature in Sayansk

In December in Sayansk, the average temperature is -15°C (6°F). Maximum temperatures can reach up to 2°C (37°F), while minimum temperatures can drop as low as -40°C (-40°F). Be prepared for extremely cold weather and dress accordingly if you plan to travel during this time.

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 -15°C (6°F), with highs reaching up to 2°C (37°F) and lows dropping to around -40°C (-40°F).

Data source: Temperature data for Sayansk generated using information from the Copernicus Climate Change Service.

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.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Sayansk

In Sayansk in December humidity is 96%. With an average temperature of -15°C (6°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and awkward as the cold air sticks to your skin, creating an eerie, damp sensation that dampens the spirit of adventure.

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 96%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-18°C (0°F)	17 mm (0.7 inches)	94%	low
February Weather	-16°C (4°F)	16 mm (0.6 inches)	93%	low
March Weather	-4°C (25°F)	16 mm (0.6 inches)	91%	moderate
April Weather	5°C (41°F)	23 mm (0.9 inches)	89%	moderate
May Weather	12°C (54°F)	47 mm (1.8 inches)	76%	high
June Weather	18°C (65°F)	60 mm (2.4 inches)	58%	high
July Weather	19°C (67°F)	65 mm (2.6 inches)	64%	high
August Weather	18°C (64°F)	68 mm (2.7 inches)	63%	high
September Weather	10°C (51°F)	72 mm (2.8 inches)	80%	moderate
October Weather	3°C (38°F)	31 mm (1.2 inches)	87%	moderate
November Weather	-5°C (23°F)	32 mm (1.3 inches)	94%	low
December Weather	-15°C (6°F)	28 mm (1.1 inches)	96%	low