December Weather in Ayan, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Ayan, Russian Federation is a chilly -19°C (-1°F), with extremes ranging from a frigid -32°C (-26°F) to a milder -4°C (25°F). Expect about 44 mm (1.7 in) of precipitation over 7 days, paired with an astonishingly high average humidity of 101%. Bundle up and prepare for a winter wonderland!

December Temperature in Ayan

In December in Ayan, the average temperature is -19°C (-1°F). The maximum can reach -4°C (25°F), and the minimum can be as low as -32°C (-26°F). Be prepared for extreme cold conditions if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Ayan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ayan, December typically has an average temperature of -19°C (-1°F), with highs reaching up to -4°C (25°F) and lows dropping to around -32°C (-26°F).

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

December Precipitation in Ayan

In Ayan in December, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

December Precipitation Trends in Ayan

The chart displays monthly precipitation patterns in Ayan, 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 Ayan, December typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 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 Ayan

In Ayan in December humidity is 101%. With an average temperature of -19°C (-1°F), this humidity feels like an icy, bone-chilling fog that clings to your skin, making every step outdoors a test of endurance and layering.

December Average Humidity in Ayan

This chart illustrates the average monthly humidity levels in Ayan, 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 Ayan is approximately 101%, 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 Ayan

In Ayan 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 Ayan.

Maximum UV Index Levels in Ayan for December

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

Data source: Ayan 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 Ayan Compares to Other Months

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

This table compares monthly weather conditions in Ayan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-20°C (-4°F)	27 mm (1.1 inches)	100%	low
February Weather	-18°C (0°F)	15 mm (0.6 inches)	97%	low
March Weather	-11°C (13°F)	20 mm (0.8 inches)	91%	moderate
April Weather	-3°C (27°F)	53 mm (2.1 inches)	87%	moderate
May Weather	2°C (36°F)	105 mm (4.1 inches)	86%	high
June Weather	7°C (45°F)	78 mm (3.1 inches)	90%	high
July Weather	13°C (55°F)	85 mm (3.3 inches)	89%	high
August Weather	14°C (58°F)	90 mm (3.6 inches)	89%	high
September Weather	12°C (53°F)	130 mm (5.1 inches)	86%	moderate
October Weather	4°C (39°F)	55 mm (2.2 inches)	86%	low
November Weather	-8°C (17°F)	67 mm (2.6 inches)	95%	low
December Weather	-19°C (-1°F)	44 mm (1.7 inches)	101%	low