May Weather in Raahe, Finland

Last updated: August 23, 2025

In May, the average temperature in Raahe, Finland hovers around 5°C (42°F). Expect a range where the minimum dips to -4°C (24°F) and the maximum can reach 21°C (69°F). During this period, you can anticipate around 56 mm (2.2 in) of precipitation spread over 7 days, contributing to an average humidity of 80%.

May Temperature in Raahe

In May in Raahe, the average temperature is 5°C (42°F). Maximums can reach 21°C (69°F) and minimums can be as low as -4°C (24°F). Pack layers and be prepared for variable weather during your travels.

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

The chart illustrates May temperature patterns in Raahe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Raahe, May typically has an average temperature of 5°C (42°F), with highs reaching up to 21°C (69°F) and lows dropping to around -4°C (24°F).

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

May Precipitation in Raahe

In Raahe in May, the total precipitation amount is 56 mm (2.2 in) over a period of 7 days.

May Precipitation Trends in Raahe

The chart displays monthly precipitation patterns in Raahe, 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 Raahe, May typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 7 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Raahe

In Raahe in May humidity is 80%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that can seep into your bones, making outdoor adventures uncomfortable and urging travelers to seek warm shelter often.

May Average Humidity in Raahe

This chart illustrates the average monthly humidity levels in Raahe, 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 Raahe is approximately 80%, 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 Raahe

In Raahe 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 Raahe.

Maximum UV Index Levels in Raahe for May

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

Data source: Raahe 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 Raahe Compares to Other Months

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

This table compares monthly weather conditions in Raahe, 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 (23°F)	38 mm (1.5 inches)	99%	low
February Weather	-7°C (20°F)	38 mm (1.5 inches)	97%	low
March Weather	-4°C (25°F)	37 mm (1.5 inches)	93%	moderate
April Weather	0°C (31°F)	38 mm (1.5 inches)	86%	moderate
May Weather	5°C (42°F)	56 mm (2.2 inches)	80%	moderate
June Weather	13°C (55°F)	50 mm (2.0 inches)	76%	high
July Weather	17°C (62°F)	64 mm (2.5 inches)	79%	high
August Weather	15°C (59°F)	91 mm (3.6 inches)	83%	moderate
September Weather	11°C (52°F)	83 mm (3.3 inches)	89%	moderate
October Weather	5°C (42°F)	99 mm (3.9 inches)	94%	low
November Weather	1°C (35°F)	70 mm (2.7 inches)	94%	low
December Weather	-2°C (28°F)	55 mm (2.2 inches)	98%	low