December Weather in Ust'-Kut, Russian Federation

Last updated: August 27, 2025

In Ust'-Kut, Russian Federation, the average temperature in December hovers around -22°C (-8°F), with extremes ranging from a frigid -50°C (-57°F) to a tolerable 0°C (33°F). During this chilly month, expect about 42 mm (1.6 in) of precipitation spread over 14 days, complemented by an astonishing average humidity of 100%. Be prepared for a winter wonderland, but ensure you're bundled up against the biting cold!

December Temperature in Ust'-Kut

In December in Ust'-Kut, the average temperature is -22°C (-8°F). Maximum temperatures can reach 0°C (33°F), while minimums can drop as low as -50°C (-57°F). Travelers should be well-prepared for extremely cold conditions during this time.

December Weather in Ust'-Kut: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ust'-Kut, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ust'-Kut, December typically has an average temperature of -22°C (-8°F), with highs reaching up to 0°C (33°F) and lows dropping to around -50°C (-57°F).

Data source: Temperature data for Ust'-Kut generated using information from the Copernicus Climate Change Service.

December Precipitation in Ust'-Kut

In Ust'-Kut in December, the precipitation amount is 42 mm (1.6 in) over a span of 14 days.

December Precipitation Trends in Ust'-Kut

The chart displays monthly precipitation patterns in Ust'-Kut, 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 Ust'-Kut, December typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Ust'-Kut

In Ust'-Kut in December, humidity is 100%. With an average temperature of -22°C (-8°F), this humidity feels like an icy fog enveloping you, making every breath a struggle and leaving a layer of frost on your skin, adding a surreal chill to your travel experience.

December Average Humidity in Ust'-Kut

This chart illustrates the average monthly humidity levels in Ust'-Kut, 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 Ust'-Kut is approximately 100%, 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 Ust'-Kut

In Ust'-Kut 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 Ust'-Kut.

Maximum UV Index Levels in Ust'-Kut for December

The chart shows the monthly maximum UV Index (UVI) for Ust'-Kut 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 Ust'-Kut typically reaches 1, which falls under the low exposure category.

Data source: Ust'-Kut 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 Ust'-Kut Compares to Other Months

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

This table compares monthly weather conditions in Ust'-Kut, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-23°C (-8°F)	21 mm (0.8 inches)	99%	low
February Weather	-20°C (-3°F)	20 mm (0.8 inches)	96%	low
March Weather	-9°C (17°F)	29 mm (1.2 inches)	88%	moderate
April Weather	1°C (34°F)	30 mm (1.2 inches)	83%	moderate
May Weather	8°C (47°F)	53 mm (2.1 inches)	76%	high
June Weather	16°C (62°F)	53 mm (2.1 inches)	66%	high
July Weather	19°C (66°F)	43 mm (1.7 inches)	75%	high
August Weather	16°C (61°F)	39 mm (1.5 inches)	72%	high
September Weather	7°C (46°F)	56 mm (2.2 inches)	82%	moderate
October Weather	-1°C (31°F)	36 mm (1.4 inches)	94%	moderate
November Weather	-13°C (9°F)	41 mm (1.6 inches)	100%	low
December Weather	-22°C (-8°F)	42 mm (1.6 inches)	100%	low