April Weather in Sievi, Finland

Last updated: August 23, 2025

In April, the average temperature in Sievi, Finland hovers around 2°C (36°F), with extremes ranging from a chilly -14°C (7°F) to a pleasant 21°C (70°F). Be prepared for 39 mm (1.5 in) of precipitation spread over about 8 days, while the air remains notably humid, with an average humidity level of 85%.

April Temperature in Sievi

In April in Sievi, the average temperature is 2°C (36°F). Maximum temperatures can reach 21°C (70°F) while minimums can drop as low as -14°C (7°F). Be prepared for a wide range of temperatures during your travels, so pack accordingly.

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

The chart illustrates April temperature patterns in Sievi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sievi, April typically has an average temperature of 2°C (36°F), with highs reaching up to 21°C (70°F) and lows dropping to around -14°C (7°F).

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

April Precipitation in Sievi

In Sievi in April, the precipitation amount is 39 mm (1.5 in) over the course of 8 days.

April Precipitation Trends in Sievi

The chart displays monthly precipitation patterns in Sievi, 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 Sievi, April typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 8 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 Sievi

In Sievi in April, humidity is 85%. With an average temperature of 2°C (36°F), this humidity feels like an icy blanket clinging to your skin, making travel challenging as the cold dampness seeps into your bones and fogs your breath.

April Average Humidity in Sievi

This chart illustrates the average monthly humidity levels in Sievi, 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 Sievi is approximately 85%, 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 Sievi

In Sievi in April, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Sievi, you can check the information here.

Maximum UV Index Levels in Sievi for April

The chart shows the monthly maximum UV Index (UVI) for Sievi 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 Sievi typically reaches 3, which falls under the moderate exposure category.

Data source: Sievi 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 Sievi Compares to Other Months

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

This table compares monthly weather conditions in Sievi, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	37 mm (1.5 inches)	97%	low
February Weather	-7°C (20°F)	40 mm (1.6 inches)	95%	low
March Weather	-3°C (27°F)	37 mm (1.5 inches)	92%	low
April Weather	2°C (36°F)	39 mm (1.5 inches)	85%	moderate
May Weather	8°C (47°F)	58 mm (2.3 inches)	77%	moderate
June Weather	15°C (59°F)	56 mm (2.2 inches)	74%	high
July Weather	17°C (63°F)	72 mm (2.9 inches)	79%	high
August Weather	14°C (58°F)	91 mm (3.6 inches)	82%	moderate
September Weather	10°C (49°F)	76 mm (3.0 inches)	89%	moderate
October Weather	4°C (40°F)	83 mm (3.3 inches)	93%	low
November Weather	0°C (32°F)	59 mm (2.3 inches)	93%	low
December Weather	-4°C (25°F)	48 mm (1.9 inches)	95%	low