May Weather in Sahalahti, Finland

Last updated: August 23, 2025

In May, the average temperature in Sahalahti, Finland hovers around 9°C (48°F). Expect a minimum plunge to -3°C (27°F) and a comforting maximum of 27°C (81°F). Be prepared for periodic showers, with 58 mm (2.3 in) of precipitation expected over 10 days. With an average humidity of 75%, the air is sure to feel a bit moist, adding to the season's charm.

May Temperature in Sahalahti

In May in Sahalahti, the average temperature is 9°C (48°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -3°C (27°F). Travelers should pack accordingly, as the weather can vary significantly throughout the day.

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

The chart illustrates May temperature patterns in Sahalahti, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sahalahti, May typically has an average temperature of 9°C (48°F), with highs reaching up to 27°C (81°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec252329374859636052433629
Data source: Temperature data for Sahalahti 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 Sahalahti

In Sahalahti in May, the total precipitation amount is 58 mm (2.3 in), measured over a span of 10 days.

May Precipitation Trends in Sahalahti

The chart displays monthly precipitation patterns in Sahalahti, 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 Sahalahti, May typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec474042425868768569825866
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Sahalahti

In Sahalahti in May humidity is 75%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill, making it essential to dress in layers for comfort while traveling.

May Average Humidity in Sahalahti

This chart illustrates the average monthly humidity levels in Sahalahti, 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 Sahalahti is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%93%87%75%75%80%83%90%93%94%95%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Sahalahti

In Sahalahti 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 Sahalahti.

Maximum UV Index Levels in Sahalahti for May

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

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

This table compares monthly weather conditions in Sahalahti, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)47 mm (1.9 inches)97%low
February Weather-5°C (23°F)40 mm (1.6 inches)95%low
March Weather-2°C (29°F)42 mm (1.7 inches)93%moderate
April Weather3°C (37°F)42 mm (1.7 inches)86%moderate
May Weather9°C (48°F)58 mm (2.3 inches)75%moderate
June Weather15°C (59°F)68 mm (2.7 inches)75%high
July Weather17°C (63°F)76 mm (3.0 inches)80%high
August Weather16°C (60°F)85 mm (3.3 inches)83%moderate
September Weather11°C (52°F)69 mm (2.7 inches)90%moderate
October Weather6°C (43°F)82 mm (3.2 inches)93%low
November Weather2°C (36°F)58 mm (2.3 inches)94%low
December Weather-2°C (29°F)66 mm (2.6 inches)95%low

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