May Weather in Pori, Finland

Last updated: August 23, 2025

In May, the average temperature in Pori, Finland hovers around 9°C (48°F), with a minimum dipping to -2°C (28°F) and a maximum soaring to 23°C (73°F). Expect about 41 mm (1.6 in) of precipitation over 8 days, while humidity lingers at a comfortable 77%.

May Temperature in Pori

In May in Pori, the average temperature is 9°C (48°F). The maximum can reach 23°C (73°F), and the minimum can be as low as -2°C (28°F). It's best to pack layers to stay comfortable during your travels.

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

The chart illustrates May temperature patterns in Pori, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pori, May typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (73°F) and lows dropping to around -2°C (28°F).

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

May Precipitation in Pori

In Pori in May, the total precipitation amount is 41 mm (1.6 in) occurring over the course of 8 days.

May Precipitation Trends in Pori

The chart displays monthly precipitation patterns in Pori, 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 Pori, May typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 8 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 Pori

In Pori in May, humidity is 77%. With an average temperature of 9°C (48°F), this humidity feels like a damp embrace, making traveling a bit more challenging as the cool air combines with the moisture, often leaving you with a chill that seeps into your bones.

May Average Humidity in Pori

This chart illustrates the average monthly humidity levels in Pori, 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 Pori 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 Pori

In Pori 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 Pori.

Maximum UV Index Levels in Pori for May

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

Data source: Pori 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 Pori Compares to Other Months

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

This table compares monthly weather conditions in Pori, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	43 mm (1.7 inches)	92%	low
February Weather	-3°C (26°F)	42 mm (1.6 inches)	90%	low
March Weather	-1°C (31°F)	43 mm (1.7 inches)	89%	moderate
April Weather	4°C (39°F)	40 mm (1.6 inches)	85%	moderate
May Weather	9°C (48°F)	41 mm (1.6 inches)	77%	moderate
June Weather	15°C (59°F)	50 mm (2.0 inches)	78%	high
July Weather	17°C (63°F)	83 mm (3.2 inches)	78%	high
August Weather	16°C (61°F)	93 mm (3.7 inches)	79%	moderate
September Weather	12°C (54°F)	77 mm (3.0 inches)	86%	moderate
October Weather	7°C (45°F)	88 mm (3.4 inches)	90%	low
November Weather	3°C (39°F)	65 mm (2.6 inches)	91%	low
December Weather	0°C (32°F)	69 mm (2.7 inches)	89%	low