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May Weather in Ostnor, Sweden

Last updated: August 27, 2025

The average temperature in Ostnor, Sweden during May is a cool 9°C (48°F). Expect a minimum temperature that can dip to -4°C (26°F), while the maximum might reach a pleasantly warm 26°C (79°F). With an average precipitation level of 61 mm (2.4 in) spread over about 12 days, you can anticipate a fair share of rain. Additionally, the average humidity sits at a comfortable 77%, making for an intriguing climate experience!

May Temperature in Ostnor

In May in Ostnor, the average temperature is 9°C (48°F). Maximums can reach 26°C (79°F) and minimums can be as low as -4°C (26°F). It’s advisable to pack layers to accommodate the variable temperatures while exploring the area.

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

The chart illustrates May temperature patterns in Ostnor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ostnor, May typically has an average temperature of 9°C (48°F), with highs reaching up to 26°C (79°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec242530374859615850423326
Data source: Temperature data for Ostnor 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 Ostnor

In Ostnor in May, the total precipitation amount is 61 mm (2.4 in), which occurs over a span of 12 days.

May Precipitation Trends in Ostnor

The chart displays monthly precipitation patterns in Ostnor, 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 Ostnor, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec413943316173769270996366
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ostnor

In Ostnor in May, humidity is 77%. With an average temperature of 9°C (48°F), this humidity feels like a damp embrace, making traveling a bit more challenging as the cool air combines with the moisture, often leaving you with a chill that seeps into your bones.

May Average Humidity in Ostnor

This chart illustrates the average monthly humidity levels in Ostnor, 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 Ostnor is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec97%94%91%85%77%76%75%80%89%93%96%96%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ostnor

In Ostnor 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 Ostnor.

Maximum UV Index Levels in Ostnor for May

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

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

This table compares monthly weather conditions in Ostnor, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)41 mm (1.6 inches)97%low
February Weather-4°C (25°F)39 mm (1.5 inches)94%low
March Weather-1°C (30°F)43 mm (1.7 inches)91%moderate
April Weather3°C (38°F)31 mm (1.2 inches)85%moderate
May Weather9°C (48°F)61 mm (2.4 inches)77%moderate
June Weather15°C (59°F)73 mm (2.9 inches)76%high
July Weather16°C (61°F)76 mm (3.0 inches)74%high
August Weather15°C (58°F)92 mm (3.6 inches)80%moderate
September Weather10°C (51°F)70 mm (2.8 inches)88%moderate
October Weather5°C (42°F)99 mm (3.9 inches)93%low
November Weather1°C (34°F)63 mm (2.5 inches)96%low
December Weather-3°C (26°F)66 mm (2.6 inches)96%low

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