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May Weather in Masku, Finland

Last updated: August 23, 2025

The average temperature in Masku, Finland during May is 10°C (49°F), with a minimum of -4°C (26°F) and a maximum of 26°C (79°F). Expect 44 mm (1.7 in) of precipitation across 9 days, contributing to the average humidity of 77%. Prepare for a month that balances coolness with occasional warmth and moisture.

May Temperature in Masku

In May in Masku, the average temperature is 10°C (49°F). Maximum temperatures can reach up to 26°C (79°F), while minimum temperatures can drop as low as -4°C (26°F). This variety in weather makes Masku an intriguing destination for travelers seeking to experience distinct seasonal changes.

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

The chart illustrates May temperature patterns in Masku, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Masku, May typically has an average temperature of 10°C (49°F), with highs reaching up to 26°C (79°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec292731394960646254453932
Data source: Temperature data for Masku 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 Masku

In Masku in May, the precipitation amount is 44 mm (1.7 in) over the course of 9 days.

May Precipitation Trends in Masku

The chart displays monthly precipitation patterns in Masku, 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 Masku, May typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec484244324443758772865979
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Masku

In Masku in May, humidity is 77%. With an average temperature of 10°C (49°F), this humidity feels like a chilly, damp embrace that can make outdoor activities quite uncomfortable for traveling, as the cold dampness seeps into clothing and chills the bones, leaving one longing for warmer, drier conditions.

May Average Humidity in Masku

This chart illustrates the average monthly humidity levels in Masku, 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 Masku is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%89%85%77%78%78%79%86%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Masku

In Masku 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 Masku.

Maximum UV Index Levels in Masku for May

The chart shows the monthly maximum UV Index (UVI) for Masku 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 Masku typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Masku 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 Masku Compares to Other Months

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

This table compares monthly weather conditions in Masku, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)48 mm (1.9 inches)92%low
February Weather-3°C (27°F)42 mm (1.7 inches)90%low
March Weather0°C (32°F)44 mm (1.7 inches)89%moderate
April Weather4°C (39°F)32 mm (1.3 inches)85%moderate
May Weather10°C (49°F)44 mm (1.7 inches)77%moderate
June Weather16°C (61°F)43 mm (1.7 inches)78%high
July Weather18°C (64°F)75 mm (3.0 inches)78%high
August Weather17°C (62°F)87 mm (3.4 inches)79%moderate
September Weather12°C (54°F)72 mm (2.8 inches)86%moderate
October Weather7°C (46°F)86 mm (3.4 inches)90%low
November Weather4°C (39°F)59 mm (2.3 inches)91%low
December Weather0°C (32°F)79 mm (3.1 inches)89%low

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