March Weather in Siuntio, Finland

Last updated: August 23, 2025

In March, the average temperature in Siuntio, Finland hovers around -1°C (31°F). Expect variability, with minimums plunging to -22°C (-7°F) and occasional highs reaching 10°C (50°F). Precipitation is commonplace, averaging 54 mm (2.1 in) spread over 11 days, while average humidity sits at a brisk 93%, creating a crisp and often damp atmosphere.

March Temperature in Siuntio

In March in Siuntio, the average temperature is -1°C (31°F), with maximums reaching 10°C (50°F) and minimums dropping as low as -22°C (-7°F). Be prepared for a chilly climate and pack accordingly when traveling to Siuntio during this time.

March Weather in Siuntio: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Siuntio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siuntio, March typically has an average temperature of -1°C (31°F), with highs reaching up to 10°C (50°F) and lows dropping to around -22°C (-7°F).

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

March Precipitation in Siuntio

In Siuntio in March, the precipitation amount is 54 mm (2.1 in), occurring over the course of 11 days.

March Precipitation Trends in Siuntio

The chart displays monthly precipitation patterns in Siuntio, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Siuntio, March typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Siuntio

In Siuntio in March, humidity is 93%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket enveloping you, making travel uncomfortable as the cold air clings to your skin and dampens any warmth you might find.

March Average Humidity in Siuntio

This chart illustrates the average monthly humidity levels in Siuntio, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Siuntio is approximately 93%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Siuntio

In Siuntio in March, 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 Siuntio, you can check the information here.

Maximum UV Index Levels in Siuntio for March

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

Data source: Siuntio March 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 March Weather in Siuntio Compares to Other Months

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

This table compares monthly weather conditions in Siuntio, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	58 mm (2.3 inches)	97%	low
February Weather	-3°C (26°F)	49 mm (1.9 inches)	95%	low
March Weather	-1°C (31°F)	54 mm (2.1 inches)	93%	moderate
April Weather	3°C (39°F)	40 mm (1.6 inches)	86%	moderate
May Weather	10°C (50°F)	53 mm (2.1 inches)	75%	moderate
June Weather	16°C (61°F)	51 mm (2.0 inches)	75%	high
July Weather	18°C (64°F)	83 mm (3.3 inches)	80%	high
August Weather	16°C (62°F)	78 mm (3.1 inches)	83%	moderate
September Weather	12°C (54°F)	65 mm (2.6 inches)	90%	moderate
October Weather	7°C (45°F)	88 mm (3.5 inches)	93%	low
November Weather	3°C (38°F)	63 mm (2.5 inches)	94%	low
December Weather	-1°C (31°F)	75 mm (2.9 inches)	95%	low