Last updated: August 27, 2025
In May, the average temperature in Viken, Sweden hovers around 11°C (53°F), offering a pleasant climate for exploration. Expect temperatures to range from a cool 2°C (36°F) to a warm 25°C (77°F), providing variety throughout the month. However, be prepared for some rain, as 65 mm (2.6 in) of precipitation is likely over 13 days. With an average humidity of 75%, it's a good idea to dress in layers and stay hydrated while enjoying the season!
In May in Viken, the average temperature is 11°C (53°F). Maximums can reach 25°C (77°F), and minimums can be as low as 2°C (36°F). This mild weather makes Viken a great destination for travelers seeking comfortable conditions and a chance to explore the outdoors.
In Viken in May, the precipitation amount is 65 mm (2.6 in) spread over a duration of 13 days.
In Viken in May humidity is 75%. With an average temperature of 11°C (53°F), this humidity feels like a cool, damp embrace that can make exploring the area feel more challenging, as you constantly contend with the moisture in the air while trying to enjoy your travels.
In Viken 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 Viken, you can refer to this Hourly UV Index in Viken.
UV Risk Categories
Weather in Viken varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Viken, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 63 mm (2.5 inches) | 92% | low |
| February Weather | 2°C (36°F) | 62 mm (2.5 inches) | 91% | low |
| March Weather | 3°C (38°F) | 67 mm (2.6 inches) | 89% | moderate |
| April Weather | 7°C (45°F) | 35 mm (1.4 inches) | 84% | moderate |
| May Weather | 11°C (53°F) | 65 mm (2.6 inches) | 75% | high |
| June Weather | 17°C (62°F) | 53 mm (2.1 inches) | 73% | high |
| July Weather | 18°C (64°F) | 99 mm (3.9 inches) | 73% | high |
| August Weather | 18°C (64°F) | 124 mm (4.9 inches) | 77% | high |
| September Weather | 15°C (59°F) | 103 mm (4.1 inches) | 85% | moderate |
| October Weather | 11°C (52°F) | 122 mm (4.8 inches) | 91% | moderate |
| November Weather | 7°C (45°F) | 75 mm (3.0 inches) | 92% | low |
| December Weather | 4°C (39°F) | 85 mm (3.3 inches) | 91% | low |