January Weather in Kajaani, Finland

Last updated: August 23, 2025

In Kajaani, Finland, the average temperature in January hovers around -8°C (18°F). While you might experience a chillier minimum of -30°C (-22°F), the warmth can peak at 5°C (41°F). Expect about 45 mm (1.8 in) of precipitation spread over 12 days, with a notably high average humidity of 101%. Embrace the cold and prepare for a uniquely brisk experience!

January Temperature in Kajaani

In January in Kajaani, the average temperature is -8°C (18°F). The maximum can reach 5°C (41°F), while the minimum can plummet to as low as -30°C (-22°F). Be prepared for cold weather and pack appropriate winter clothing if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Kajaani, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kajaani, January typically has an average temperature of -8°C (18°F), with highs reaching up to 5°C (41°F) and lows dropping to around -30°C (-22°F).

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

January Precipitation in Kajaani

In Kajaani in January, the precipitation amount is 45 mm (1.8 in) over the course of 12 days.

January Precipitation Trends in Kajaani

The chart displays monthly precipitation patterns in Kajaani, 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 Kajaani, January typically receives around 45 mm (1.8 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 Kajaani

In Kajaani in January humidity is 101%. With average temperature -8°C (18°F), this humidity feels like you're walking through a dense fog, making every breath a struggle as the cold air clings to your skin and dampens your clothes, turning your travel experience into a chilling adventure where even the slightest movement feels like a laborious task.

January Average Humidity in Kajaani

This chart illustrates the average monthly humidity levels in Kajaani, 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 Kajaani is approximately 101%, 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 Kajaani

In Kajaani 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 Kajaani.

Maximum UV Index Levels in Kajaani for January

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

Data source: Kajaani 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 Kajaani Compares to Other Months

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

This table compares monthly weather conditions in Kajaani, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	45 mm (1.8 inches)	101%	low
February Weather	-8°C (17°F)	41 mm (1.6 inches)	99%	low
March Weather	-4°C (24°F)	45 mm (1.8 inches)	94%	low
April Weather	1°C (34°F)	42 mm (1.6 inches)	88%	moderate
May Weather	7°C (44°F)	55 mm (2.2 inches)	83%	moderate
June Weather	14°C (58°F)	71 mm (2.8 inches)	79%	high
July Weather	16°C (61°F)	94 mm (3.7 inches)	83%	high
August Weather	14°C (58°F)	99 mm (3.9 inches)	87%	moderate
September Weather	9°C (48°F)	83 mm (3.2 inches)	91%	moderate
October Weather	4°C (39°F)	86 mm (3.4 inches)	96%	low
November Weather	-1°C (30°F)	75 mm (2.9 inches)	96%	low
December Weather	-5°C (23°F)	59 mm (2.3 inches)	100%	low