December Weather in Polvijaervi, Finland

Last updated: August 23, 2025

In December, the average temperature in Polvijaervi, Finland is a chilly -4°C (25°F), with extremes ranging from a frigid -23°C (-10°F) to a mild 3°C (38°F). Be prepared for frequent precipitation, averaging 73 mm (2.9 in) spread over 16 days. With an impressive average humidity of 98%, this month is sure to feel damp and brisk.

December Temperature in Polvijaervi

In December in Polvijaervi, the average temperature is -4°C (25°F), with maximums reaching up to 3°C (38°F) and minimums dipping as low as -23°C (-10°F). Travelers should be prepared for chilly conditions and pack accordingly for their visit.

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

The chart illustrates December temperature patterns in Polvijaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Polvijaervi, December typically has an average temperature of -4°C (25°F), with highs reaching up to 3°C (38°F) and lows dropping to around -23°C (-10°F).

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

December Precipitation in Polvijaervi

In Polvijaervi in December, the precipitation amount is 73 mm (2.9 in) spread over 16 days.

December Precipitation Trends in Polvijaervi

The chart displays monthly precipitation patterns in Polvijaervi, 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 Polvijaervi, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 16 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 Polvijaervi

In Polvijaervi in December humidity is 98%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that clings to your skin, making every step feel more laborious as you navigate through the frosty air, dampening your spirits as well as your clothes.

December Average Humidity in Polvijaervi

This chart illustrates the average monthly humidity levels in Polvijaervi, 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 Polvijaervi is approximately 98%, 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 Polvijaervi

In Polvijaervi 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 Polvijaervi.

Maximum UV Index Levels in Polvijaervi for December

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

Data source: Polvijaervi 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 Polvijaervi Compares to Other Months

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

This table compares monthly weather conditions in Polvijaervi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	50 mm (2.0 inches)	99%	low
February Weather	-7°C (19°F)	48 mm (1.9 inches)	98%	low
March Weather	-3°C (26°F)	51 mm (2.0 inches)	95%	moderate
April Weather	1°C (35°F)	42 mm (1.6 inches)	87%	moderate
May Weather	8°C (47°F)	61 mm (2.4 inches)	78%	moderate
June Weather	15°C (60°F)	68 mm (2.7 inches)	75%	high
July Weather	17°C (63°F)	88 mm (3.5 inches)	83%	high
August Weather	15°C (60°F)	93 mm (3.7 inches)	88%	moderate
September Weather	10°C (50°F)	89 mm (3.5 inches)	92%	moderate
October Weather	5°C (41°F)	86 mm (3.4 inches)	95%	low
November Weather	0°C (33°F)	69 mm (2.7 inches)	94%	low
December Weather	-4°C (25°F)	73 mm (2.9 inches)	98%	low