December Weather in Lappajaervi, Finland

Last updated: August 23, 2025

In December, the average temperature in Lappajaervi, Finland hovers around -3°C (26°F), but temperatures can dip as low as -23°C (-9°F) and rise to a maximum of 5°C (41°F). With an average humidity of 95%, the atmosphere feels particularly crisp. Expect 48 mm (1.9 in) of precipitation spread over 13 days, making it a month where winter coats and umbrellas are essential companions!

December Temperature in Lappajaervi

In December in Lappajaervi, the average temperature is -3°C (26°F). Maximum temperatures can reach up to 5°C (41°F), while the minimum can drop as low as -23°C (-9°F). Travelers should be prepared for very cold conditions and dress in layers to ensure warmth and comfort during their stay.

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

The chart illustrates December temperature patterns in Lappajaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lappajaervi, December typically has an average temperature of -3°C (26°F), with highs reaching up to 5°C (41°F) and lows dropping to around -23°C (-9°F).

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

December Precipitation in Lappajaervi

In Lappajaervi in December, the total precipitation amount is 48 mm (1.9 in) spread over 13 days.

December Precipitation Trends in Lappajaervi

The chart displays monthly precipitation patterns in Lappajaervi, 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 Lappajaervi, December typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 13 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 Lappajaervi

In Lappajaervi in December humidity is 95%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps into your bones, making any outdoor activity uncomfortable and challenging for travelers.

December Average Humidity in Lappajaervi

This chart illustrates the average monthly humidity levels in Lappajaervi, 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 Lappajaervi 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 Lappajaervi

In Lappajaervi 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 Lappajaervi.

Maximum UV Index Levels in Lappajaervi for December

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

Data source: Lappajaervi 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 Lappajaervi Compares to Other Months

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

This table compares monthly weather conditions in Lappajaervi, 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 (23°F)	38 mm (1.5 inches)	97%	low
February Weather	-6°C (21°F)	40 mm (1.6 inches)	95%	low
March Weather	-3°C (28°F)	41 mm (1.6 inches)	92%	moderate
April Weather	2°C (36°F)	45 mm (1.8 inches)	85%	moderate
May Weather	9°C (48°F)	62 mm (2.4 inches)	77%	moderate
June Weather	15°C (60°F)	56 mm (2.2 inches)	74%	high
July Weather	17°C (62°F)	66 mm (2.6 inches)	79%	high
August Weather	15°C (59°F)	92 mm (3.6 inches)	82%	moderate
September Weather	10°C (50°F)	72 mm (2.8 inches)	89%	moderate
October Weather	5°C (40°F)	86 mm (3.4 inches)	93%	low
November Weather	0°C (33°F)	59 mm (2.3 inches)	93%	low
December Weather	-3°C (26°F)	48 mm (1.9 inches)	95%	low