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May Weather in Sandsund, Finland

Last updated: August 23, 2025

In Sandsund, Finland, the average temperature in May hovers around 7°C (44°F). Expect minimums dipping to -3°C (28°F) and maximums reaching up to 21°C (71°F). During this time, precipitation averages 49 mm (1.9 in) over 8 days, while the average humidity lingers at a comfortable 77%.

May Temperature in Sandsund

In May in Sandsund, the average temperature is 7°C (44°F). Maximum temperatures can reach 21°C (71°F), while minimums can dip as low as -3°C (28°F). This variation makes it important for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates May temperature patterns in Sandsund, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sandsund, May typically has an average temperature of 7°C (44°F), with highs reaching up to 21°C (71°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262328354455625952433629
Data source: Temperature data for Sandsund 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 Sandsund

In Sandsund in May, the precipitation amount is 49 mm (1.9 in) spread over 8 days.

May Precipitation Trends in Sandsund

The chart displays monthly precipitation patterns in Sandsund, 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 Sandsund, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec384240374948648679946452
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sandsund

In Sandsund in May, humidity is 77%. With an average temperature of 7°C (44°F), this humidity feels like a chilly mist that wraps around you, making outdoor activities somewhat uncomfortable and best suited for those who enjoy brisk, invigorating walks rather than strenuous sightseeing.

May Average Humidity in Sandsund

This chart illustrates the average monthly humidity levels in Sandsund, 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 Sandsund is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%92%85%77%74%79%82%89%93%93%95%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sandsund

In Sandsund 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 Sandsund.

Maximum UV Index Levels in Sandsund for May

The chart shows the monthly maximum UV Index (UVI) for Sandsund 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 Sandsund typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113456653211
Data source: Sandsund 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 Sandsund Compares to Other Months

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

This table compares monthly weather conditions in Sandsund, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)38 mm (1.5 inches)97%low
February Weather-5°C (23°F)41 mm (1.6 inches)95%low
March Weather-2°C (28°F)40 mm (1.6 inches)92%moderate
April Weather1°C (35°F)37 mm (1.5 inches)85%moderate
May Weather7°C (44°F)49 mm (1.9 inches)77%moderate
June Weather13°C (56°F)48 mm (1.9 inches)74%high
July Weather17°C (62°F)64 mm (2.5 inches)79%high
August Weather15°C (60°F)85 mm (3.4 inches)82%moderate
September Weather11°C (52°F)79 mm (3.1 inches)89%moderate
October Weather6°C (43°F)94 mm (3.7 inches)93%low
November Weather2°C (36°F)64 mm (2.5 inches)93%low
December Weather-1°C (30°F)52 mm (2.1 inches)95%low

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