April Weather in Kajaani, Finland

Last updated: August 23, 2025

In April, the average temperature in Kajaani, Finland hovers around 1°C (34°F). Expect chilly lows of -15°C (5°F), with the possibility of warmer days peaking at 19°C (66°F). During this time, precipitation averages 42 mm (1.6 in) over approximately 9 days, contributing to a relatively high humidity of 88%.

April Temperature in Kajaani

In April in Kajaani, the average temperature is 1°C (34°F). Maximum temperatures can reach 19°C (66°F), while minimums can drop as low as -15°C (5°F). Be prepared for significant temperature fluctuations when planning your trip!

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

The chart illustrates April 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, April typically has an average temperature of 1°C (34°F), with highs reaching up to 19°C (66°F) and lows dropping to around -15°C (5°F).

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

April Precipitation in Kajaani

In Kajaani in April, the precipitation amount is 42 mm (1.6 in) over the course of 9 days.

April Precipitation Trends in Kajaani

The chart displays monthly precipitation patterns in Kajaani, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Kajaani, April typically receives around 42 mm (1.6 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Kajaani

In Kajaani in April humidity is 88%. With an average temperature of 1°C (34°F), this humidity feels like a chilling embrace, making travel feel damp and brisk, where every breath carries a crisp bite, and the air clings to your skin, urging you to seek warmth and comfort.

April Average Humidity in Kajaani

This chart illustrates the average monthly humidity levels in Kajaani, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Kajaani is approximately 88%, offering insight into how humid the weather typically is during this month.

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

April UV Index in Kajaani

In Kajaani in April, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Kajaani for better planning.

Maximum UV Index Levels in Kajaani for April

The chart shows the monthly maximum UV Index (UVI) for Kajaani in April, 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 April, the maximum UV index in Kajaani typically reaches 4, which falls under the moderate exposure category.

Data source: Kajaani April 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 April 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 April’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 April’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