May Weather in Viitasaari, Finland

Last updated: August 23, 2025

In May, the average temperature in Viitasaari, Finland hovers around 8°C (47°F). Expect a range from a chilly -3°C (26°F) at its lowest to a warm 27°C (81°F) at its peak. This month also brings 61 mm (2.4 in) of precipitation over approximately 12 days, contributing to an average humidity of 78%. Stay prepared for fluctuating conditions!

May Temperature in Viitasaari

In May in Viitasaari, the average temperature is 8°C (47°F). The maximum can reach 27°C (81°F), and the minimum can be as low as -3°C (26°F). This variation makes it essential to pack layered clothing for your trip to Viitasaari during this time.

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

The chart illustrates May temperature patterns in Viitasaari, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Viitasaari, May typically has an average temperature of 8°C (47°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (26°F).

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

May Precipitation in Viitasaari

In Viitasaari in May, the total precipitation amount is 61 mm (2.4 in), which occurs over a span of 12 days.

May Precipitation Trends in Viitasaari

The chart displays monthly precipitation patterns in Viitasaari, 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 Viitasaari, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 12 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 Viitasaari

In Viitasaari in May, humidity is 78%. With an average temperature of 8°C (47°F), this humidity feels like a chilly embrace, making travel invigorating yet damp, as the cool air wraps around you, emphasizing the need for layers to stay comfortable while exploring.

May Average Humidity in Viitasaari

This chart illustrates the average monthly humidity levels in Viitasaari, 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 Viitasaari is approximately 78%, 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 Viitasaari

In Viitasaari 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 Viitasaari.

Maximum UV Index Levels in Viitasaari for May

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

Data source: Viitasaari 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 Viitasaari Compares to Other Months

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

This table compares monthly weather conditions in Viitasaari, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	44 mm (1.7 inches)	99%	low
February Weather	-7°C (20°F)	41 mm (1.6 inches)	97%	low
March Weather	-3°C (27°F)	38 mm (1.5 inches)	95%	moderate
April Weather	2°C (35°F)	44 mm (1.7 inches)	87%	moderate
May Weather	8°C (47°F)	61 mm (2.4 inches)	78%	moderate
June Weather	15°C (60°F)	57 mm (2.3 inches)	74%	high
July Weather	17°C (63°F)	75 mm (3.0 inches)	80%	high
August Weather	15°C (59°F)	89 mm (3.5 inches)	85%	moderate
September Weather	10°C (50°F)	81 mm (3.2 inches)	91%	moderate
October Weather	5°C (41°F)	83 mm (3.3 inches)	95%	low
November Weather	1°C (33°F)	64 mm (2.5 inches)	94%	low
December Weather	-4°C (26°F)	60 mm (2.4 inches)	98%	low