May Weather in Sysmae, Finland

Last updated: August 23, 2025

In Sysmae, Finland, the average temperature in May hovers around 9°C (48°F). Expect the mercury to dip as low as -3°C (27°F), while it may soar up to a balmy 28°C (82°F). During this month, precipitation averages 57 mm (2.2 in) spread over 9 days, contributing to a humid atmosphere with an average humidity of 75%.

May Temperature in Sysmae

In May in Sysmae, the average temperature is 9°C (48°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -3°C (27°F). Be prepared for a range of weather conditions if you're planning to travel during this month.

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

The chart illustrates May 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, May typically has an average temperature of 9°C (48°F), with highs reaching up to 28°C (82°F) and lows dropping to around -3°C (27°F).

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

May Precipitation in Sysmae

In Sysmae in May, the total precipitation amount is 57 mm (2.2 in) over the course of 9 days.

May Precipitation Trends in Sysmae

The chart displays monthly precipitation patterns in Sysmae, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Sysmae, May typically receives around 57 mm (2.2 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Sysmae

In Sysmae in May humidity is 75%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill, making it essential to dress in layers for comfort while traveling.

May Average Humidity in Sysmae

This chart illustrates the average monthly humidity levels in Sysmae, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Sysmae is approximately 75%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Sysmae

In Sysmae in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sysmae.

Maximum UV Index Levels in Sysmae for May

The chart shows the monthly maximum UV Index (UVI) for Sysmae in May, 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 May, the maximum UV index in Sysmae typically reaches 5, which falls under the moderate exposure category.

Data source: Sysmae May 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 May 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 May’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 May’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