May Weather in Graenna, Sweden

Last updated: August 27, 2025

In May, the average temperature in Graenna, Sweden hovers around 10°C (49°F). Expect a chill in the air, with minimum temperatures dropping to 0°C (32°F), while the mercury can rise as high as 25°C (77°F). It’s a month of moderate precipitation, with an average of 54 mm (2.1 in) over 11 days. With an average humidity of 70%, be prepared for a slightly damp atmosphere!

May Temperature in Graenna

In May in Graenna, the average temperature is 10°C (49°F). Maximums can reach 25°C (77°F), while minimums can drop as low as 0°C (32°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates May temperature patterns in Graenna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Graenna, May typically has an average temperature of 10°C (49°F), with highs reaching up to 25°C (77°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec333235414960636154474035
Data source: Temperature data for Graenna 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 Graenna

In Graenna in May, the precipitation amount is 54 mm (2.1 in), occurring over the course of 11 days.

May Precipitation Trends in Graenna

The chart displays monthly precipitation patterns in Graenna, 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 Graenna, May typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec374645315461718380774752
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Graenna

In Graenna in May, humidity is 70%. With an average temperature of 10°C (49°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more strenuous and travel a bit uncomfortable.

May Average Humidity in Graenna

This chart illustrates the average monthly humidity levels in Graenna, 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 Graenna is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%91%89%82%70%65%65%71%82%90%92%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Graenna

In Graenna in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Graenna, you can refer to this Hourly UV Index in Graenna.

Maximum UV Index Levels in Graenna for May

The chart shows the monthly maximum UV Index (UVI) for Graenna 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 Graenna typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567764211
Data source: Graenna 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 Graenna Compares to Other Months

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

This table compares monthly weather conditions in Graenna, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)37 mm (1.5 inches)92%low
February Weather0°C (32°F)46 mm (1.8 inches)91%low
March Weather1°C (35°F)45 mm (1.8 inches)89%moderate
April Weather5°C (41°F)31 mm (1.2 inches)82%moderate
May Weather10°C (49°F)54 mm (2.1 inches)70%high
June Weather16°C (60°F)61 mm (2.4 inches)65%high
July Weather17°C (63°F)70 mm (2.8 inches)65%high
August Weather16°C (61°F)83 mm (3.3 inches)71%high
September Weather12°C (55°F)80 mm (3.1 inches)82%moderate
October Weather8°C (47°F)77 mm (3.0 inches)90%low
November Weather5°C (41°F)47 mm (1.9 inches)92%low
December Weather2°C (35°F)52 mm (2.1 inches)91%low

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