Last updated: August 27, 2025
In Svelvik, Norway, the average temperature in May hovers around 12°C (53°F), with a minimum dipping to -1°C (31°F) and a maximum soaring to 31°C (88°F). Expect 77 mm (3.0 in) of precipitation spread over 11 days, contributing to an average humidity of 73%. This mix of temperatures and moisture creates a unique climate experience for visitors and locals alike!
In May in Svelvik, the average temperature is 12°C (53°F). Maximum temperatures can reach 31°C (88°F), while minimum temperatures can drop as low as -1°C (31°F). This variation makes it important for travelers to prepare for both warm days and chilly nights.
In Svelvik in May, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.
In Svelvik in May humidity is 73%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities somewhat uncomfortable and requiring layers to keep warm while exploring.
In Svelvik 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 Svelvik.
UV Risk Categories
Weather in Svelvik varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Svelvik, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -1°C (31°F) | 63 mm (2.5 inches) | 94% | low |
| February Weather | -1°C (31°F) | 69 mm (2.7 inches) | 92% | low |
| March Weather | 2°C (36°F) | 69 mm (2.7 inches) | 89% | moderate |
| April Weather | 6°C (44°F) | 35 mm (1.4 inches) | 82% | moderate |
| May Weather | 12°C (53°F) | 77 mm (3.0 inches) | 73% | moderate |
| June Weather | 17°C (63°F) | 84 mm (3.3 inches) | 71% | high |
| July Weather | 18°C (65°F) | 91 mm (3.6 inches) | 72% | high |
| August Weather | 17°C (62°F) | 81 mm (3.2 inches) | 77% | moderate |
| September Weather | 13°C (56°F) | 111 mm (4.4 inches) | 86% | moderate |
| October Weather | 8°C (47°F) | 127 mm (5.0 inches) | 92% | low |
| November Weather | 3°C (38°F) | 105 mm (4.1 inches) | 93% | low |
| December Weather | 0°C (32°F) | 108 mm (4.3 inches) | 93% | low |