December Weather in Vaala, Finland

Last updated: August 23, 2025

In December, the average temperature in Vaala, Finland hovers around -5°C (24°F). However, it can dip as low as -21°C (-5°F) or rise to a maximum of 3°C (38°F). This month also sees approximately 57 mm (2.3 in) of precipitation spread over 16 days, with an average humidity level of a remarkable 99%.

December Temperature in Vaala

In December in Vaala, the average temperature is -5°C (24°F), with maximums reaching 3°C (38°F) and minimums dropping as low as -21°C (-5°F). Travelers should be prepared for cold weather and dress warmly to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Vaala, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vaala, December typically has an average temperature of -5°C (24°F), with highs reaching up to 3°C (38°F) and lows dropping to around -21°C (-5°F).

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

December Precipitation in Vaala

In Vaala in December, the precipitation amount is 57 mm (2.3 in) spread over 16 days.

December Precipitation Trends in Vaala

The chart displays monthly precipitation patterns in Vaala, 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 Vaala, December typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 16 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 Vaala

In Vaala in December, humidity is 99%. With an average temperature of -5°C (24°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and burdensome, as every step on the icy ground is paired with a heavy, moist air that clings to your skin.

December Average Humidity in Vaala

This chart illustrates the average monthly humidity levels in Vaala, 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 Vaala is approximately 99%, 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 Vaala

In Vaala 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 Vaala.

Maximum UV Index Levels in Vaala for December

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

Data source: Vaala 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 Vaala Compares to Other Months

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

This table compares monthly weather conditions in Vaala, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	42 mm (1.7 inches)	100%	low
February Weather	-9°C (17°F)	40 mm (1.6 inches)	98%	low
March Weather	-4°C (24°F)	43 mm (1.7 inches)	95%	moderate
April Weather	1°C (34°F)	41 mm (1.6 inches)	87%	moderate
May Weather	7°C (45°F)	52 mm (2.0 inches)	81%	moderate
June Weather	15°C (58°F)	64 mm (2.5 inches)	77%	high
July Weather	17°C (62°F)	90 mm (3.6 inches)	79%	high
August Weather	14°C (58°F)	99 mm (3.9 inches)	84%	moderate
September Weather	9°C (48°F)	76 mm (3.0 inches)	90%	moderate
October Weather	4°C (39°F)	86 mm (3.4 inches)	95%	low
November Weather	-1°C (30°F)	71 mm (2.8 inches)	95%	low
December Weather	-5°C (24°F)	57 mm (2.3 inches)	99%	low