January Weather in Sonkajaervi, Finland

Last updated: August 23, 2025

In January, the average temperature in Sonkajaervi, Finland hovers around -7°C (19°F), with minimum lows plummeting to -32°C (-25°F) and rare maximum highs reaching 6°C (43°F). The region experiences about 48 mm (1.9 in) of precipitation over 13 days, contributing to a remarkably high average humidity of 99%. Brace for a chilly, wet month ahead!

January Temperature in Sonkajaervi

In January in Sonkajaervi, the average temperature is -7°C (19°F), with maximums reaching 6°C (43°F) and minimums plunging as low as -32°C (-25°F). Travelers should be prepared for extremely cold conditions, making warm clothing essential for outdoor activities.

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

The chart illustrates January temperature patterns in Sonkajaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sonkajaervi, January typically has an average temperature of -7°C (19°F), with highs reaching up to 6°C (43°F) and lows dropping to around -32°C (-25°F).

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

January Precipitation in Sonkajaervi

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

January Precipitation Trends in Sonkajaervi

The chart displays monthly precipitation patterns in Sonkajaervi, 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 Sonkajaervi, January typically receives around 48 mm (1.9 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 Sonkajaervi

In Sonkajaervi in January, humidity is 99%. With an average temperature of -7°C (19°F), this humidity feels like an icy blanket wrapping around you, making every breath a challenge and travel an invigorating yet chilling experience.

January Average Humidity in Sonkajaervi

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

In Sonkajaervi 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 Sonkajaervi.

Maximum UV Index Levels in Sonkajaervi for January

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

Data source: Sonkajaervi 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 Sonkajaervi Compares to Other Months

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

This table compares monthly weather conditions in Sonkajaervi, 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 (19°F)	48 mm (1.9 inches)	99%	low
February Weather	-8°C (18°F)	45 mm (1.8 inches)	97%	low
March Weather	-4°C (25°F)	45 mm (1.8 inches)	95%	low
April Weather	1°C (35°F)	45 mm (1.8 inches)	87%	moderate
May Weather	8°C (47°F)	57 mm (2.2 inches)	78%	moderate
June Weather	15°C (59°F)	73 mm (2.9 inches)	74%	high
July Weather	17°C (62°F)	90 mm (3.5 inches)	80%	high
August Weather	14°C (58°F)	102 mm (4.0 inches)	85%	moderate
September Weather	9°C (48°F)	85 mm (3.3 inches)	91%	moderate
October Weather	4°C (39°F)	89 mm (3.5 inches)	95%	low
November Weather	-1°C (31°F)	80 mm (3.1 inches)	94%	low
December Weather	-5°C (24°F)	64 mm (2.5 inches)	98%	low