nomadseason

May Weather in Mehamn, Norway

Last updated: August 27, 2025

In May, the average temperature in Mehamn, Norway hovers around 3°C (38°F). Expect chilly days where temperatures can dip as low as -6°C (22°F) and occasionally reach a comfortable 15°C (60°F). You'll also encounter 75 mm (2.9 in) of precipitation spread over 18 days, contributing to an overall average humidity of 81%. Perfect for those cozy days indoors!

May Temperature in Mehamn

In May in Mehamn, the average temperature is 3°C (38°F). The maximum can reach 15°C (60°F), while the minimum can drop to as low as -6°C (22°F). Travelers should be prepared for a chilly climate with potential fluctuations in temperature, making layering essential for comfort.

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

The chart illustrates May temperature patterns in Mehamn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mehamn, May typically has an average temperature of 3°C (38°F), with highs reaching up to 15°C (60°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec252327323845515046383228
Data source: Temperature data for Mehamn generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Mehamn

In Mehamn in May, the precipitation amount is 75 mm (2.9 in) spread over 18 days, reflecting the typical weather patterns of the region during that time of year.

May Precipitation Trends in Mehamn

The chart displays monthly precipitation patterns in Mehamn, 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 Mehamn, May typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec696191717572788677768664
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Mehamn

In Mehamn in May, humidity is 81%. With an average temperature of 3°C (38°F), this humidity feels like a heavy blanket wrapped around you, making outdoor activities uncomfortable and travel challenging due to the cold, damp air.

May Average Humidity in Mehamn

This chart illustrates the average monthly humidity levels in Mehamn, 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 Mehamn is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%87%86%81%85%88%89%90%89%89%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Mehamn

In Mehamn in May, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Mehamn for better planning.

Maximum UV Index Levels in Mehamn for May

The chart shows the monthly maximum UV Index (UVI) for Mehamn 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 Mehamn typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111244542110
Data source: Mehamn 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 Mehamn Compares to Other Months

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

This table compares monthly weather conditions in Mehamn, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)69 mm (2.7 inches)92%low
February Weather-5°C (24°F)61 mm (2.4 inches)90%low
March Weather-3°C (27°F)91 mm (3.6 inches)87%low
April Weather0°C (32°F)71 mm (2.8 inches)85%low
May Weather3°C (38°F)75 mm (2.9 inches)81%moderate
June Weather7°C (45°F)72 mm (2.8 inches)85%moderate
July Weather11°C (51°F)78 mm (3.1 inches)88%moderate
August Weather10°C (51°F)86 mm (3.4 inches)89%moderate
September Weather8°C (47°F)77 mm (3.0 inches)90%low
October Weather3°C (38°F)76 mm (3.0 inches)89%low
November Weather0°C (32°F)86 mm (3.4 inches)89%low
December Weather-2°C (28°F)64 mm (2.5 inches)89%low

Compare Mehamn's Climate with Cities Worldwide