December Weather in Osa, Russian Federation

Last updated: August 27, 2025

In December, the average temperature in Osa, Russian Federation hovers around -9°C (16°F), with a chilly minimum of -27°C (-16°F) and a mild maximum reaching 3°C (38°F). Expect a significant precipitation amount of 48 mm (1.9 in) spread over 12 days. Additionally, the atmosphere is quite damp, boasting an average humidity of 90%. Prepare for a truly wintery experience!

December Temperature in Osa

In December in Osa, the average temperature is -9°C (16°F), with a maximum reaching 3°C (38°F) and a minimum dropping as low as -27°C (-16°F). Travelers should be prepared for extremely cold conditions and dress warmly when visiting.

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

The chart illustrates December temperature patterns in Osa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osa, December typically has an average temperature of -9°C (16°F), with highs reaching up to 3°C (38°F) and lows dropping to around -27°C (-16°F).

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

December Precipitation in Osa

In Osa in December, the precipitation amount is 48 mm (1.9 in) over a span of 12 days.

December Precipitation Trends in Osa

The chart displays monthly precipitation patterns in Osa, 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 Osa, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 12 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 Osa

In Osa in December, humidity is 90%. With an average temperature of -9°C (16°F), this humidity feels like a challenging mix of bone-chilling cold and dampness that makes traveling outside uncomfortable, as the frigid air clings to your skin and can quickly sap your warmth, leaving you yearning for indoor comforts.

December Average Humidity in Osa

This chart illustrates the average monthly humidity levels in Osa, 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 Osa is approximately 90%, 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 Osa

In Osa 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 Osa.

Maximum UV Index Levels in Osa for December

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

Data source: Osa 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 Osa Compares to Other Months

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

This table compares monthly weather conditions in Osa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-11°C (12°F)	44 mm (1.7 inches)	99%	low
February Weather	-10°C (14°F)	48 mm (1.9 inches)	97%	low
March Weather	-5°C (24°F)	49 mm (1.9 inches)	95%	moderate
April Weather	4°C (39°F)	44 mm (1.7 inches)	90%	moderate
May Weather	12°C (53°F)	44 mm (1.7 inches)	79%	high
June Weather	15°C (60°F)	60 mm (2.3 inches)	71%	high
July Weather	19°C (67°F)	87 mm (3.4 inches)	81%	high
August Weather	17°C (63°F)	59 mm (2.3 inches)	80%	high
September Weather	10°C (50°F)	63 mm (2.5 inches)	89%	moderate
October Weather	5°C (40°F)	61 mm (2.4 inches)	91%	moderate
November Weather	-4°C (26°F)	53 mm (2.1 inches)	94%	low
December Weather	-9°C (16°F)	48 mm (1.9 inches)	90%	low