January Weather in Tohmajaervi, Finland

Last updated: August 23, 2025

In Tohmajaervi, Finland, the average temperature in January hovers around -7°C (20°F). Be prepared for chilly extremes, as temperatures can plunge to a minimum of -30°C (-22°F) and peak at a maximum of 6°C (43°F). Expect 52 mm (2.0 in) of precipitation spread over 13 days, and brace yourself for high humidity levels averaging 99%—perfect for those who adore a frosty, misty atmosphere!

January Temperature in Tohmajaervi

In January in Tohmajaervi, the average temperature is -7°C (20°F). The maximum can reach 6°C (43°F) and the minimum can be as low as -30°C (-22°F). Travelers should prepare for cold weather and dress warmly when visiting during this time.

January Weather in Tohmajaervi: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Tohmajaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tohmajaervi, January typically has an average temperature of -7°C (20°F), with highs reaching up to 6°C (43°F) and lows dropping to around -30°C (-22°F).

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

January Precipitation in Tohmajaervi

In Tohmajaervi in January, the total precipitation amount is 52 mm (2.0 in) over the course of 13 days.

January Precipitation Trends in Tohmajaervi

The chart displays monthly precipitation patterns in Tohmajaervi, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Tohmajaervi, January typically receives around 52 mm (2.0 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Tohmajaervi

In Tohmajaervi in January humidity is 99%. With an average temperature of -7°C (20°F), this humidity feels like an icy dagger against the skin, making every breath a challenge and turning outdoor adventures into a test of resilience.

January Average Humidity in Tohmajaervi

This chart illustrates the average monthly humidity levels in Tohmajaervi, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Tohmajaervi is approximately 99%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Tohmajaervi

In Tohmajaervi in January, 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 Tohmajaervi.

Maximum UV Index Levels in Tohmajaervi for January

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

Data source: Tohmajaervi January 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 January Weather in Tohmajaervi Compares to Other Months

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

This table compares monthly weather conditions in Tohmajaervi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	52 mm (2.0 inches)	99%	low
February Weather	-7°C (19°F)	55 mm (2.2 inches)	98%	low
March Weather	-3°C (26°F)	56 mm (2.2 inches)	95%	moderate
April Weather	2°C (36°F)	48 mm (1.9 inches)	88%	moderate
May Weather	9°C (48°F)	56 mm (2.2 inches)	79%	moderate
June Weather	15°C (60°F)	58 mm (2.3 inches)	76%	high
July Weather	17°C (63°F)	92 mm (3.6 inches)	83%	high
August Weather	15°C (59°F)	105 mm (4.1 inches)	89%	moderate
September Weather	10°C (50°F)	84 mm (3.3 inches)	91%	moderate
October Weather	5°C (41°F)	86 mm (3.4 inches)	95%	low
November Weather	0°C (33°F)	64 mm (2.5 inches)	95%	low
December Weather	-4°C (25°F)	81 mm (3.2 inches)	97%	low