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May Weather in Ostvik, Sweden

Last updated: August 27, 2025

In Ostvik, Sweden, the average temperature in May hovers around 7°C (45°F), with lows dipping to a chilly -4°C (26°F) and highs reaching a pleasant 24°C (76°F). Expect some rain, as 50 mm (2.0 in) of precipitation typically falls over 9 days. The weather is often accompanied by an average humidity level of 81%, making it feel quite moist throughout the month.

May Temperature in Ostvik

In May in Ostvik, the average temperature is 7°C (45°F). Maximum temperatures can reach 24°C (76°F), while minimum temperatures can drop as low as -4°C (26°F). This range makes it advisable for travelers to pack layers to stay comfortable during their visit.

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

The chart illustrates May temperature patterns in Ostvik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostvik, May typically has an average temperature of 7°C (45°F), with highs reaching up to 24°C (76°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec191826344557615849382924
Data source: Temperature data for Ostvik 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 Ostvik

In Ostvik in May, the precipitation amount is 50 mm (2.0 in) over the course of 9 days.

May Precipitation Trends in Ostvik

The chart displays monthly precipitation patterns in Ostvik, 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 Ostvik, May typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec564241305057778871965773
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ostvik

In Ostvik in May, humidity is 81%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor adventures slightly uncomfortable and requiring extra layers to stay warm while exploring.

May Average Humidity in Ostvik

This chart illustrates the average monthly humidity levels in Ostvik, 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 Ostvik is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%95%90%84%82%78%82%84%88%92%93%96%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ostvik

In Ostvik 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 Ostvik for better planning.

Maximum UV Index Levels in Ostvik for May

The chart shows the monthly maximum UV Index (UVI) for Ostvik 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 Ostvik typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112346643211
Data source: Ostvik 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 Ostvik Compares to Other Months

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

This table compares monthly weather conditions in Ostvik, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)55 mm (2.2 inches)97%low
February Weather-8°C (19°F)42 mm (1.6 inches)95%low
March Weather-3°C (26°F)41 mm (1.6 inches)90%low
April Weather1°C (35°F)30 mm (1.2 inches)84%moderate
May Weather7°C (45°F)50 mm (2.0 inches)81%moderate
June Weather14°C (57°F)57 mm (2.3 inches)78%high
July Weather16°C (61°F)77 mm (3.0 inches)82%high
August Weather14°C (58°F)88 mm (3.5 inches)84%moderate
September Weather9°C (49°F)71 mm (2.8 inches)88%moderate
October Weather4°C (39°F)96 mm (3.8 inches)92%low
November Weather-2°C (29°F)57 mm (2.2 inches)93%low
December Weather-4°C (24°F)73 mm (2.9 inches)96%low

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