April Weather in Iitti, Finland

Last updated: August 23, 2025

In April, the average temperature in Iitti, Finland hovers around 3°C (38°F), with extremes ranging from a chilly -12°C (11°F) to a mild 20°C (69°F). Expect 46 mm (1.8 in) of precipitation spread over approximately 11 days, contributing to the high average humidity of 87%. Prepare for a mix of cozy days and damp conditions!

April Temperature in Iitti

In April in Iitti, the average temperature is 3°C (38°F). Maximums can reach 20°C (69°F), while minimums can dip as low as -12°C (11°F). This climate makes Iitti an ideal destination for travelers seeking a mix of chilly outdoor adventures and cozy indoor experiences.

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

The chart illustrates April temperature patterns in Iitti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iitti, April typically has an average temperature of 3°C (38°F), with highs reaching up to 20°C (69°F) and lows dropping to around -12°C (11°F).

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

April Precipitation in Iitti

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

April Precipitation Trends in Iitti

The chart displays monthly precipitation patterns in Iitti, 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 Iitti, 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.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Iitti

In Iitti in April humidity is 87%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making travel quite uncomfortable as the cold dampness seeps into your clothes and lingers in the air, often leaving you shivering and longing for warmer, drier conditions.

April Average Humidity in Iitti

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

In Iitti 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 Iitti for better planning.

Maximum UV Index Levels in Iitti for April

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

Data source: Iitti 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 Iitti Compares to Other Months

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

This table compares monthly weather conditions in Iitti, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	49 mm (1.9 inches)	98%	low
February Weather	-5°C (24°F)	47 mm (1.9 inches)	96%	low
March Weather	-2°C (29°F)	44 mm (1.7 inches)	93%	moderate
April Weather	3°C (38°F)	46 mm (1.8 inches)	87%	moderate
May Weather	10°C (50°F)	54 mm (2.1 inches)	75%	moderate
June Weather	16°C (61°F)	60 mm (2.3 inches)	74%	high
July Weather	17°C (64°F)	78 mm (3.1 inches)	80%	high
August Weather	16°C (61°F)	86 mm (3.4 inches)	85%	moderate
September Weather	11°C (52°F)	62 mm (2.5 inches)	90%	moderate
October Weather	6°C (43°F)	77 mm (3.0 inches)	94%	low
November Weather	2°C (36°F)	53 mm (2.1 inches)	94%	low
December Weather	-2°C (28°F)	73 mm (2.9 inches)	96%	low