December Weather in Lapua, Finland

Last updated: August 23, 2025

In December, the average temperature in Lapua, Finland hovers around -3°C (27°F). Expect chilly extremes with minimums plunging to -25°C (-12°F) and maximums reaching up to 5°C (42°F). Rainfall accumulates to 46 mm (1.8 in) over approximately 12 days, all while the air remains notably damp with an average humidity of 95%.

December Temperature in Lapua

In December in Lapua, the average temperature is -3°C (27°F). Maximums can reach 5°C (42°F), while minimums can plummet to as low as -25°C (-12°F). Travelers should be prepared for cold conditions and dress warmly when visiting during this time.

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

The chart illustrates December temperature patterns in Lapua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lapua, December typically has an average temperature of -3°C (27°F), with highs reaching up to 5°C (42°F) and lows dropping to around -25°C (-12°F).

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

December Precipitation in Lapua

In Lapua in December, the total precipitation amount is 46 mm (1.8 in) spread over the course of 12 days.

December Precipitation Trends in Lapua

The chart displays monthly precipitation patterns in Lapua, 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 Lapua, December typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 12 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 Lapua

In Lapua in December, humidity is 95%. With an average temperature of -3°C (27°F), this humidity feels like a biting chill that penetrates your clothes, making every breath feel heavy and damp, which can be quite uncomfortable for traveling.

December Average Humidity in Lapua

This chart illustrates the average monthly humidity levels in Lapua, 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 Lapua is approximately 95%, 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 Lapua

In Lapua 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 Lapua.

Maximum UV Index Levels in Lapua for December

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

Data source: Lapua 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 Lapua Compares to Other Months

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

This table compares monthly weather conditions in Lapua, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	37 mm (1.4 inches)	97%	low
February Weather	-6°C (22°F)	39 mm (1.5 inches)	95%	low
March Weather	-2°C (29°F)	41 mm (1.6 inches)	92%	low
April Weather	3°C (37°F)	46 mm (1.8 inches)	85%	moderate
May Weather	9°C (48°F)	61 mm (2.4 inches)	77%	moderate
June Weather	15°C (60°F)	58 mm (2.3 inches)	74%	high
July Weather	17°C (63°F)	59 mm (2.3 inches)	79%	high
August Weather	15°C (59°F)	87 mm (3.4 inches)	82%	moderate
September Weather	10°C (50°F)	68 mm (2.7 inches)	89%	moderate
October Weather	5°C (41°F)	81 mm (3.2 inches)	93%	low
November Weather	1°C (34°F)	58 mm (2.3 inches)	93%	low
December Weather	-3°C (27°F)	46 mm (1.8 inches)	95%	low