April Weather in Kouvola, Finland

Last updated: August 23, 2025

In Kouvola, Finland, the average temperature in April hovers around 4°C (39°F). Visitors can expect a chilly range, with minimum temperatures dropping to -15°C (5°F) and highs reaching up to 22°C (71°F). During this month, precipitation totals around 44 mm (1.7 in), spread over 11 days, contributing to an average humidity level of 87%. Be prepared for a brisk experience!

April Temperature in Kouvola

In April in Kouvola, the average temperature is 4°C (39°F). The maximum can reach 22°C (71°F), and the minimum can be as low as -15°C (5°F). Be prepared for a wide range of weather conditions when traveling during this month.

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

The chart illustrates April temperature patterns in Kouvola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kouvola, April typically has an average temperature of 4°C (39°F), with highs reaching up to 22°C (71°F) and lows dropping to around -15°C (5°F).

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

April Precipitation in Kouvola

In Kouvola in April, the precipitation amount is 44 mm (1.7 in) during 11 days, indicating a relatively wet period for that time of year.

April Precipitation Trends in Kouvola

The chart displays monthly precipitation patterns in Kouvola, 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 Kouvola, April typically receives around 44 mm (1.7 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 Kouvola

In Kouvola in April, humidity is 87%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and gritty, as the air hangs heavy and clings to your skin.

April Average Humidity in Kouvola

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

In Kouvola 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 Kouvola for better planning.

Maximum UV Index Levels in Kouvola for April

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

Data source: Kouvola 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 Kouvola Compares to Other Months

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

This table compares monthly weather conditions in Kouvola, 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 (26°F)	52 mm (2.0 inches)	98%	low
February Weather	-5°C (24°F)	52 mm (2.1 inches)	96%	low
March Weather	-2°C (29°F)	46 mm (1.8 inches)	93%	moderate
April Weather	4°C (39°F)	44 mm (1.7 inches)	87%	moderate
May Weather	10°C (51°F)	50 mm (2.0 inches)	75%	moderate
June Weather	16°C (62°F)	52 mm (2.0 inches)	74%	high
July Weather	18°C (64°F)	77 mm (3.0 inches)	80%	high
August Weather	16°C (61°F)	82 mm (3.2 inches)	85%	moderate
September Weather	11°C (53°F)	61 mm (2.4 inches)	90%	moderate
October Weather	6°C (44°F)	75 mm (2.9 inches)	94%	low
November Weather	2°C (36°F)	56 mm (2.2 inches)	94%	low
December Weather	-2°C (29°F)	76 mm (3.0 inches)	96%	low