April Weather in Iisalmi, Finland

Last updated: August 23, 2025

In April, the average temperature in Iisalmi, Finland hovers around 2°C (35°F). Temperatures can be quite extreme, with a minimum of -16°C (3°F) and a maximum reaching up to 22°C (71°F). Expect around 46 mm (1.8 in) of precipitation spread over 11 days, and prepare for the humid conditions, with an average humidity level of 87%.

April Temperature in Iisalmi

In April in Iisalmi, the average temperature is 2°C (35°F), with maximums reaching 22°C (71°F) and minimums plummeting to -16°C (3°F). It's advisable to pack for a wide range of temperatures when traveling during this time.

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

The chart illustrates April temperature patterns in Iisalmi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iisalmi, April typically has an average temperature of 2°C (35°F), with highs reaching up to 22°C (71°F) and lows dropping to around -16°C (3°F).

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

April Precipitation in Iisalmi

In Iisalmi in April, the precipitation amount is 46 mm (1.8 in) over the course of 11 days.

April Precipitation Trends in Iisalmi

The chart displays monthly precipitation patterns in Iisalmi, 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 Iisalmi, April typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

April Humidity in Iisalmi

In Iisalmi in April, humidity is 87%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that seeps into your bones, making traveling feel uncomfortable and heavy, as each breath carries a hint of the cold, moist air that lingers around you.

April Average Humidity in Iisalmi

This chart illustrates the average monthly humidity levels in Iisalmi, 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 Iisalmi is approximately 87%, 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 Iisalmi

In Iisalmi 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 Iisalmi for better planning.

Maximum UV Index Levels in Iisalmi for April

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

Data source: Iisalmi 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 Iisalmi Compares to Other Months

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

This table compares monthly weather conditions in Iisalmi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	48 mm (1.9 inches)	99%	low
February Weather	-8°C (18°F)	44 mm (1.7 inches)	97%	low
March Weather	-4°C (26°F)	44 mm (1.7 inches)	95%	low
April Weather	2°C (35°F)	46 mm (1.8 inches)	87%	moderate
May Weather	8°C (47°F)	56 mm (2.2 inches)	78%	moderate
June Weather	15°C (59°F)	70 mm (2.8 inches)	74%	high
July Weather	17°C (63°F)	88 mm (3.5 inches)	80%	high
August Weather	15°C (58°F)	101 mm (4.0 inches)	85%	moderate
September Weather	9°C (49°F)	85 mm (3.4 inches)	91%	moderate
October Weather	4°C (40°F)	88 mm (3.5 inches)	95%	low
November Weather	0°C (32°F)	77 mm (3.0 inches)	94%	low
December Weather	-4°C (24°F)	65 mm (2.6 inches)	98%	low