May Weather in Purmo, Finland

Last updated: August 23, 2025

In May, the average temperature in Purmo, Finland hovers around 8°C (47°F). Expect temperatures to range from a chilly -4°C (25°F) to a warm 26°C (80°F). With an average precipitation of 53 mm (2.1 in) over about 9 days, be prepared for some wet weather. The average humidity during this month is around 77%, making for a potentially cozy environment.

May Temperature in Purmo

In May in Purmo, the average temperature is 8°C (47°F), with a maximum reaching 26°C (80°F) and a minimum dipping as low as -4°C (25°F). This wide range of temperatures makes it essential to pack layers to stay comfortable during your travels.

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

The chart illustrates May temperature patterns in Purmo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Purmo, May typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (80°F) and lows dropping to around -4°C (25°F).

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

May Precipitation in Purmo

In Purmo in May, the total precipitation amount is 53 mm (2.1 in) spread over 9 days.

May Precipitation Trends in Purmo

The chart displays monthly precipitation patterns in Purmo, 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 Purmo, May typically receives around 53 mm (2.1 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 Purmo

In Purmo in May, humidity is 77%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that can make even short walks outside feel uncomfortable, often clinging to your skin and making you long for warmer, drier conditions.

May Average Humidity in Purmo

This chart illustrates the average monthly humidity levels in Purmo, 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 Purmo is approximately 77%, 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 Purmo

In Purmo 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 Purmo.

Maximum UV Index Levels in Purmo for May

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

Data source: Purmo 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 Purmo Compares to Other Months

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

This table compares monthly weather conditions in Purmo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	37 mm (1.4 inches)	97%	low
February Weather	-6°C (22°F)	40 mm (1.6 inches)	95%	low
March Weather	-2°C (28°F)	41 mm (1.6 inches)	92%	moderate
April Weather	2°C (37°F)	41 mm (1.6 inches)	85%	moderate
May Weather	8°C (47°F)	53 mm (2.1 inches)	77%	moderate
June Weather	15°C (59°F)	55 mm (2.2 inches)	74%	high
July Weather	17°C (63°F)	69 mm (2.7 inches)	79%	high
August Weather	15°C (59°F)	93 mm (3.6 inches)	82%	moderate
September Weather	10°C (51°F)	72 mm (2.8 inches)	89%	moderate
October Weather	5°C (42°F)	86 mm (3.4 inches)	93%	low
November Weather	1°C (34°F)	57 mm (2.2 inches)	93%	low
December Weather	-3°C (28°F)	47 mm (1.8 inches)	95%	low