December Weather in Istok, Russian Federation

Last updated: August 27, 2025

In Istok, Russian Federation, the average temperature in December hovers around -10°C (15°F), with minimums dipping to -26°C (-15°F) and maximums reaching 3°C (38°F). Expect 24 mm (0.9 in) of precipitation across 8 days, and a notably high average humidity of 93%. Stay warm and prepared for the winter conditions!

December Temperature in Istok

In December in Istok, the average temperature is -10°C (15°F). Maximum temperatures can reach 3°C (38°F), while minimums can drop as low as -26°C (-15°F). Be prepared for cold weather and dress warmly if you're traveling during this time.

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

The chart illustrates December temperature patterns in Istok, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Istok, December typically has an average temperature of -10°C (15°F), with highs reaching up to 3°C (38°F) and lows dropping to around -26°C (-15°F).

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

December Precipitation in Istok

In Istok in December, the precipitation amount is 24 mm (0.9 in) over a span of 8 days.

December Precipitation Trends in Istok

The chart displays monthly precipitation patterns in Istok, 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 Istok, December typically receives around 24 mm (0.9 inches) of precipitation spread over approximately 8 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 Istok

In Istok in December humidity is 93%. With an average temperature of -10°C (15°F), this humidity feels like an eerie chill that penetrates even the warmest clothing, making outdoor activities uncomfortable and travel quite challenging.

December Average Humidity in Istok

This chart illustrates the average monthly humidity levels in Istok, 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 Istok is approximately 93%, 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 Istok

In Istok 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 Istok.

Maximum UV Index Levels in Istok for December

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

Data source: Istok 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 Istok Compares to Other Months

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

This table compares monthly weather conditions in Istok, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-13°C (9°F)	19 mm (0.7 inches)	99%	low
February Weather	-11°C (12°F)	24 mm (0.9 inches)	97%	low
March Weather	-5°C (24°F)	27 mm (1.1 inches)	96%	moderate
April Weather	4°C (40°F)	37 mm (1.5 inches)	88%	moderate
May Weather	12°C (53°F)	35 mm (1.4 inches)	74%	high
June Weather	15°C (59°F)	61 mm (2.4 inches)	68%	high
July Weather	19°C (67°F)	75 mm (3.0 inches)	78%	high
August Weather	17°C (62°F)	72 mm (2.8 inches)	78%	high
September Weather	10°C (50°F)	48 mm (1.9 inches)	86%	moderate
October Weather	4°C (39°F)	42 mm (1.6 inches)	89%	moderate
November Weather	-5°C (24°F)	25 mm (1.0 inches)	94%	low
December Weather	-10°C (15°F)	24 mm (0.9 inches)	93%	low