January Weather in Rantasalmi, Finland

Last updated: August 23, 2025

In Rantasalmi, Finland, the average temperature in January hovers around -6°C (22°F), with extremes ranging from a brisk -28°C (-17°F) to a milder 7°C (44°F). During this chilly month, you can expect about 49 mm (1.9 in) of precipitation spread over 12 days, contributing to an average humidity level of a brisk 98%. Stay warm and prepared!

January Temperature in Rantasalmi

In January in Rantasalmi, the average temperature is -6°C (22°F). Maximum temperatures can reach 7°C (44°F), while minimum temperatures can drop as low as -28°C (-17°F). Be prepared for significant temperature fluctuations and dress in layers to stay comfortable during your travels.

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

The chart illustrates January temperature patterns in Rantasalmi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rantasalmi, January typically has an average temperature of -6°C (22°F), with highs reaching up to 7°C (44°F) and lows dropping to around -28°C (-17°F).

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

January Precipitation in Rantasalmi

In Rantasalmi in January, the total precipitation amount is 49 mm (1.9 in) spread over 12 days.

January Precipitation Trends in Rantasalmi

The chart displays monthly precipitation patterns in Rantasalmi, 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 Rantasalmi, January typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 12 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 Rantasalmi

In Rantasalmi in January, humidity is 98%. With an average temperature of -6°C (22°F), this humidity feels like an icy chill that seeps into your bones, making travel feel like an endurance test as each breath hangs visibly in the cold air, creating a unique but challenging atmosphere for exploration.

January Average Humidity in Rantasalmi

This chart illustrates the average monthly humidity levels in Rantasalmi, 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 Rantasalmi is approximately 98%, 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 Rantasalmi

In Rantasalmi 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 Rantasalmi.

Maximum UV Index Levels in Rantasalmi for January

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

Data source: Rantasalmi 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 Rantasalmi Compares to Other Months

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

This table compares monthly weather conditions in Rantasalmi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	49 mm (1.9 inches)	98%	low
February Weather	-6°C (21°F)	44 mm (1.7 inches)	96%	low
March Weather	-3°C (27°F)	46 mm (1.8 inches)	93%	moderate
April Weather	2°C (36°F)	46 mm (1.8 inches)	88%	moderate
May Weather	10°C (49°F)	55 mm (2.2 inches)	77%	moderate
June Weather	16°C (61°F)	67 mm (2.6 inches)	75%	high
July Weather	17°C (63°F)	77 mm (3.0 inches)	82%	high
August Weather	15°C (60°F)	81 mm (3.2 inches)	84%	moderate
September Weather	10°C (51°F)	77 mm (3.0 inches)	90%	moderate
October Weather	5°C (42°F)	76 mm (3.0 inches)	93%	low
November Weather	1°C (34°F)	57 mm (2.2 inches)	93%	low
December Weather	-4°C (26°F)	70 mm (2.8 inches)	95%	low