December Weather in Koria, Finland

Last updated: August 23, 2025

In Koria, Finland, the average temperature in December hovers around -2°C (29°F), with lows dipping to a chilly -21°C (-6°F) and highs reaching a mild 6°C (43°F). This month typically brings 75 mm (3.0 in) of precipitation over the course of 16 days, contributing to an average humidity level of 96%. Prepare for a wet and brisk experience!

December Temperature in Koria

In December in Koria, the average temperature is -2°C (29°F). The maximum can reach 6°C (43°F), while the minimum can drop as low as -21°C (-6°F). Be prepared for cold weather and dress warmly if you plan to visit during this time.

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

The chart illustrates December temperature patterns in Koria, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koria, December typically has an average temperature of -2°C (29°F), with highs reaching up to 6°C (43°F) and lows dropping to around -21°C (-6°F).

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

December Precipitation in Koria

In Koria in December, the precipitation amount is 75 mm (3.0 in) occurring over the course of 16 days.

December Precipitation Trends in Koria

The chart displays monthly precipitation patterns in Koria, 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 Koria, December typically receives around 75 mm (3.0 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 Koria

In Koria in December humidity is 96%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that penetrates through layers of clothing, making travel outside quite uncomfortable and forcing visitors to seek refuge indoors or bundle up tightly before venturing out.

December Average Humidity in Koria

This chart illustrates the average monthly humidity levels in Koria, 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 Koria is approximately 96%, 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 Koria

In Koria 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 Koria.

Maximum UV Index Levels in Koria for December

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

Data source: Koria 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 Koria Compares to Other Months

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

This table compares monthly weather conditions in Koria, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (26°F)	52 mm (2.0 inches)	98%	low
February Weather	-5°C (24°F)	51 mm (2.0 inches)	96%	low
March Weather	-1°C (30°F)	46 mm (1.8 inches)	93%	moderate
April Weather	4°C (39°F)	45 mm (1.8 inches)	87%	moderate
May Weather	10°C (51°F)	50 mm (2.0 inches)	75%	moderate
June Weather	17°C (62°F)	52 mm (2.0 inches)	74%	high
July Weather	18°C (64°F)	74 mm (2.9 inches)	80%	high
August Weather	16°C (61°F)	80 mm (3.1 inches)	85%	moderate
September Weather	11°C (53°F)	61 mm (2.4 inches)	90%	moderate
October Weather	6°C (44°F)	76 mm (3.0 inches)	94%	low
November Weather	2°C (36°F)	55 mm (2.2 inches)	94%	low
December Weather	-2°C (29°F)	75 mm (3.0 inches)	96%	low