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!
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!
In Graenna in May, the precipitation amount is 54 mm (2.1 in), occurring over the course of 11 days.
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.
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.
UV Risk Categories
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.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (33°F) | 37 mm (1.5 inches) | 92% | low |
February Weather | 0°C (32°F) | 46 mm (1.8 inches) | 91% | low |
March Weather | 1°C (35°F) | 45 mm (1.8 inches) | 89% | moderate |
April Weather | 5°C (41°F) | 31 mm (1.2 inches) | 82% | moderate |
May Weather | 10°C (49°F) | 54 mm (2.1 inches) | 70% | high |
June Weather | 16°C (60°F) | 61 mm (2.4 inches) | 65% | high |
July Weather | 17°C (63°F) | 70 mm (2.8 inches) | 65% | high |
August Weather | 16°C (61°F) | 83 mm (3.3 inches) | 71% | high |
September Weather | 12°C (55°F) | 80 mm (3.1 inches) | 82% | moderate |
October Weather | 8°C (47°F) | 77 mm (3.0 inches) | 90% | low |
November Weather | 5°C (41°F) | 47 mm (1.9 inches) | 92% | low |
December Weather | 2°C (35°F) | 52 mm (2.1 inches) | 91% | low |