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May Weather in Mikkeli, Finland

Last updated: August 23, 2025

In May, the average temperature in Mikkeli, Finland hovers around 9°C (49°F). Expect minimums dipping to -4°C (26°F) and highs reaching up to 27°C (82°F). With an average humidity of 75%, you may also experience rainfall, with precipitation totaling 53 mm (2.1 in) over approximately 10 days. Plan accordingly for a mix of weather!

May Temperature in Mikkeli

In May in Mikkeli, the average temperature is 9°C (49°F). The maximum can reach 27°C (82°F), and the minimum can be as low as -4°C (26°F). Be prepared for a wide range of temperatures if you plan to travel then!

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

The chart illustrates May temperature patterns in Mikkeli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mikkeli, May typically has an average temperature of 9°C (49°F), with highs reaching up to 27°C (82°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec232128364861636051423426
Data source: Temperature data for Mikkeli 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 Mikkeli

In Mikkeli in May, the precipitation amount is 53 mm (2.1 in) spread over a duration of 10 days.

May Precipitation Trends in Mikkeli

The chart displays monthly precipitation patterns in Mikkeli, 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 Mikkeli, May typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec494544445366818671765870
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mikkeli

In Mikkeli 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 Mikkeli

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

In Mikkeli 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 Mikkeli.

Maximum UV Index Levels in Mikkeli for May

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

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

This table compares monthly weather conditions in Mikkeli, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)49 mm (1.9 inches)98%low
February Weather-6°C (22°F)45 mm (1.8 inches)96%low
March Weather-2°C (28°F)44 mm (1.7 inches)93%moderate
April Weather2°C (36°F)44 mm (1.7 inches)87%moderate
May Weather9°C (49°F)53 mm (2.1 inches)75%moderate
June Weather16°C (61°F)66 mm (2.6 inches)74%high
July Weather17°C (64°F)81 mm (3.2 inches)80%high
August Weather16°C (60°F)86 mm (3.4 inches)85%moderate
September Weather11°C (51°F)71 mm (2.8 inches)90%moderate
October Weather6°C (42°F)76 mm (3.0 inches)94%low
November Weather1°C (35°F)58 mm (2.3 inches)94%low
December Weather-3°C (27°F)70 mm (2.8 inches)96%low

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