December Weather in Nilsiae, Finland

Last updated: August 23, 2025

In Nilsiae, Finland, the average temperature in December hovers around -4°C (24°F). Expect a chilling minimum of -23°C (-9°F), while highs might reach up to 3°C (39°F). With 70 mm (2.7 in) of precipitation spread over 16 days, the air remains notably damp, boasting an average humidity of 98%.

December Temperature in Nilsiae

In December in Nilsiae, the average temperature is -4°C (24°F). The maximum can reach 3°C (39°F) and the minimum can be as low as -23°C (-9°F). Be prepared for possibly frigid conditions and pack accordingly to ensure a comfortable trip.

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

The chart illustrates December temperature patterns in Nilsiae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nilsiae, December typically has an average temperature of -4°C (24°F), with highs reaching up to 3°C (39°F) and lows dropping to around -23°C (-9°F).

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

December Precipitation in Nilsiae

In Nilsiae in December, the precipitation amount is 70 mm (2.7 in) distributed over 16 days.

December Precipitation Trends in Nilsiae

The chart displays monthly precipitation patterns in Nilsiae, 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 Nilsiae, December typically receives around 70 mm (2.7 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 Nilsiae

In Nilsiae in December humidity is 98%. With an average temperature of -4°C (24°F), this humidity feels like an icy mist that clings to your skin, making it uncomfortable for traveling and causing everything to feel damp and frosty, as if you are enveloped in a chill that cuts through even the thickest layers of clothing.

December Average Humidity in Nilsiae

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

In Nilsiae 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 Nilsiae.

Maximum UV Index Levels in Nilsiae for December

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

Data source: Nilsiae 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 Nilsiae Compares to Other Months

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

This table compares monthly weather conditions in Nilsiae, 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)	49 mm (1.9 inches)	99%	low
February Weather	-8°C (19°F)	45 mm (1.8 inches)	98%	low
March Weather	-4°C (26°F)	45 mm (1.8 inches)	95%	moderate
April Weather	1°C (35°F)	44 mm (1.7 inches)	87%	moderate
May Weather	8°C (47°F)	55 mm (2.2 inches)	78%	moderate
June Weather	15°C (60°F)	69 mm (2.7 inches)	75%	high
July Weather	17°C (63°F)	83 mm (3.2 inches)	83%	high
August Weather	15°C (59°F)	103 mm (4.0 inches)	88%	moderate
September Weather	10°C (49°F)	89 mm (3.5 inches)	92%	moderate
October Weather	5°C (40°F)	90 mm (3.6 inches)	95%	low
November Weather	0°C (32°F)	80 mm (3.2 inches)	94%	low
December Weather	-4°C (24°F)	70 mm (2.7 inches)	98%	low