Last updated: August 27, 2025
In Arno, Sweden, the average temperature in May is a cool 9°C (49°F). You can expect a minimum of -3°C (27°F) and a maximum of 26°C (79°F). Precipitation averages around 51 mm (2.0 in) over approximately 10 days, and the average humidity hovers around 77%, adding a touch of chill to the air. Be prepared for varying conditions as you explore!
In May in Arno, the average temperature is 9°C (49°F). Maximums can reach 26°C (79°F) and minimums can be as low as -3°C (27°F). This variation in temperature makes it essential to pack layers for your travels to Arno.
In Arno in May, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.
In Arno in May humidity is 77%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making outdoor explorations feel colder and more uncomfortable than the thermometer suggests.
In Arno 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 Arno.
UV Risk Categories
Weather in Arno varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Arno, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (32°F) | 38 mm (1.5 inches) | 90% | low |
February Weather | -1°C (31°F) | 34 mm (1.3 inches) | 88% | low |
March Weather | 1°C (35°F) | 38 mm (1.5 inches) | 89% | moderate |
April Weather | 4°C (40°F) | 29 mm (1.2 inches) | 85% | moderate |
May Weather | 9°C (49°F) | 51 mm (2.0 inches) | 77% | moderate |
June Weather | 15°C (60°F) | 39 mm (1.6 inches) | 76% | high |
July Weather | 17°C (63°F) | 61 mm (2.4 inches) | 74% | high |
August Weather | 17°C (63°F) | 61 mm (2.4 inches) | 77% | moderate |
September Weather | 13°C (55°F) | 48 mm (1.9 inches) | 85% | moderate |
October Weather | 8°C (47°F) | 75 mm (2.9 inches) | 89% | low |
November Weather | 4°C (40°F) | 43 mm (1.7 inches) | 90% | low |
December Weather | 1°C (34°F) | 62 mm (2.4 inches) | 87% | low |