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May Weather in Pertunmaa, Finland

Last updated: August 23, 2025

In May, the average temperature in Pertunmaa, Finland hovers around 9°C (49°F). Expect a minimum chill of -4°C (26°F) and a warm maximum reaching 28°C (83°F). This month also brings 56 mm (2.2 in) of precipitation over approximately 10 days, contributing to an average humidity level of 75%. Stay prepared for a mix of weather conditions!

May Temperature in Pertunmaa

In May in Pertunmaa, the average temperature is 9°C (49°F). Maximums can reach 28°C (83°F), and minimums can drop as low as -4°C (26°F). This varied climate makes Pertunmaa a great destination for travelers seeking both warm and cool experiences.

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

The chart illustrates May temperature patterns in Pertunmaa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pertunmaa, May typically has an average temperature of 9°C (49°F), with highs reaching up to 28°C (83°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec232228374860636051423527
Data source: Temperature data for Pertunmaa generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Pertunmaa

In Pertunmaa in May, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

May Precipitation Trends in Pertunmaa

The chart displays monthly precipitation patterns in Pertunmaa, 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 Pertunmaa, May typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec474544465666829467775569
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Pertunmaa

In Pertunmaa in May, humidity is 75%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that wraps around you, making outdoor activities uncomfortable and causing your clothes to cling uncomfortably. It's advisable to dress in layers to stay warm, while also being prepared for the persistent moisture in the air that can leave you feeling a bit sluggish throughout your travels.

May Average Humidity in Pertunmaa

This chart illustrates the average monthly humidity levels in Pertunmaa, 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 Pertunmaa is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%93%87%75%74%80%85%90%94%94%96%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Pertunmaa

In Pertunmaa 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 Pertunmaa.

Maximum UV Index Levels in Pertunmaa for May

The chart shows the monthly maximum UV Index (UVI) for Pertunmaa 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 Pertunmaa typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456753211
Data source: Pertunmaa 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 Pertunmaa Compares to Other Months

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

This table compares monthly weather conditions in Pertunmaa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)47 mm (1.8 inches)98%low
February Weather-5°C (22°F)45 mm (1.8 inches)96%low
March Weather-2°C (28°F)44 mm (1.7 inches)93%moderate
April Weather3°C (37°F)46 mm (1.8 inches)87%moderate
May Weather9°C (49°F)56 mm (2.2 inches)75%moderate
June Weather16°C (61°F)66 mm (2.6 inches)74%high
July Weather17°C (64°F)82 mm (3.2 inches)80%high
August Weather16°C (61°F)94 mm (3.7 inches)85%moderate
September Weather11°C (52°F)67 mm (2.7 inches)90%moderate
October Weather6°C (43°F)77 mm (3.0 inches)94%low
November Weather2°C (35°F)54 mm (2.1 inches)94%low
December Weather-3°C (27°F)69 mm (2.7 inches)96%low

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