April Weather in Sysmae, Finland

Last updated: August 23, 2025

In Sysmae, Finland, the average temperature in April hovers around 3°C (37°F). Expect minimum chills of -13°C (8°F) and a possible warm-up to 19°C (66°F). Throughout the month, a total precipitation of 45 mm (1.8 in) can be anticipated over 11 days, making for a rather humid environment with an average humidity of 87%.

April Temperature in Sysmae

In April in Sysmae, the average temperature is 3°C (37°F), with maximums reaching 19°C (66°F) and minimums dipping as low as -13°C (8°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack appropriately for both mild and chilly conditions.

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

The chart illustrates April temperature patterns in Sysmae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sysmae, April typically has an average temperature of 3°C (37°F), with highs reaching up to 19°C (66°F) and lows dropping to around -13°C (8°F).

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

April Precipitation in Sysmae

In Sysmae in April, the precipitation amount is 45 mm (1.8 in) over a span of 11 days.

April Precipitation Trends in Sysmae

The chart displays monthly precipitation patterns in Sysmae, 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 Sysmae, April typically receives around 45 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 Sysmae

In Sysmae in April, humidity is 87%. With an average temperature of 3°C (37°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities uncomfortable and necessitating proper layers to stay warm while navigating the wet conditions.

April Average Humidity in Sysmae

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

In Sysmae 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 Sysmae for better planning.

Maximum UV Index Levels in Sysmae for April

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

Data source: Sysmae 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 Sysmae Compares to Other Months

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

This table compares monthly weather conditions in Sysmae, 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 (24°F)	46 mm (1.8 inches)	98%	low
February Weather	-5°C (23°F)	42 mm (1.7 inches)	96%	low
March Weather	-2°C (29°F)	42 mm (1.7 inches)	93%	moderate
April Weather	3°C (37°F)	45 mm (1.8 inches)	87%	moderate
May Weather	9°C (48°F)	57 mm (2.2 inches)	75%	moderate
June Weather	15°C (60°F)	62 mm (2.5 inches)	74%	high
July Weather	17°C (63°F)	77 mm (3.0 inches)	80%	high
August Weather	16°C (61°F)	89 mm (3.5 inches)	85%	moderate
September Weather	11°C (52°F)	67 mm (2.6 inches)	90%	moderate
October Weather	6°C (43°F)	79 mm (3.1 inches)	94%	low
November Weather	2°C (36°F)	56 mm (2.2 inches)	94%	low
December Weather	-2°C (28°F)	68 mm (2.7 inches)	96%	low