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May Weather in Hallstavik, Sweden

Last updated: August 27, 2025

In May, the average temperature in Hallstavik, Sweden hovers around 10°C (50°F). Prepare for a temperature range that can dip to a chilly -4°C (25°F) and rise to a sunny 29°C (84°F). Expect about 56 mm (2.2 in) of precipitation over roughly 10 days, contributing to an average humidity level of 77%. Stay prepared for a mix of weather!

May Temperature in Hallstavik

In May in Hallstavik, the average temperature is 10°C (50°F). Maximums can reach 29°C (84°F), while minimums can drop as low as -4°C (25°F). It's advisable to pack for both warm and chilly weather during your travels.

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

The chart illustrates May temperature patterns in Hallstavik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hallstavik, May typically has an average temperature of 10°C (50°F), with highs reaching up to 29°C (84°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec313034405061636254463933
Data source: Temperature data for Hallstavik 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 Hallstavik

In Hallstavik in May, the precipitation amount is 56 mm (2.2 in) over the course of 10 days.

May Precipitation Trends in Hallstavik

The chart displays monthly precipitation patterns in Hallstavik, 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 Hallstavik, May typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec363338305648666848704056
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hallstavik

In Hallstavik in May, humidity is 77%. With an average temperature of 10°C (50°F), this humidity feels like a thick, heavy blanket enveloping you, making travel uncomfortable and sticky, as it clings to your skin and clothes, turning each step into a challenge.

May Average Humidity in Hallstavik

This chart illustrates the average monthly humidity levels in Hallstavik, 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 Hallstavik is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%89%85%77%76%74%77%85%89%90%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hallstavik

In Hallstavik 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 Hallstavik.

Maximum UV Index Levels in Hallstavik for May

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

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

This table compares monthly weather conditions in Hallstavik, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)36 mm (1.4 inches)90%low
February Weather-1°C (30°F)33 mm (1.3 inches)88%low
March Weather1°C (34°F)38 mm (1.5 inches)89%moderate
April Weather5°C (41°F)30 mm (1.2 inches)85%moderate
May Weather10°C (50°F)56 mm (2.2 inches)77%moderate
June Weather16°C (61°F)48 mm (1.9 inches)76%high
July Weather17°C (64°F)66 mm (2.6 inches)74%high
August Weather17°C (62°F)68 mm (2.7 inches)77%moderate
September Weather12°C (55°F)48 mm (1.9 inches)85%moderate
October Weather8°C (46°F)70 mm (2.7 inches)89%low
November Weather4°C (39°F)40 mm (1.6 inches)90%low
December Weather0°C (33°F)56 mm (2.2 inches)87%low

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