Last updated: August 27, 2025
In December, the average temperature in Rundvik, Sweden is a chilly -2°C (29°F). Expect minimum temperatures plummeting to -17°C (1°F) and a maximum reaching 6°C (44°F). With an average humidity of 94%, the air can feel quite damp. Be prepared for precipitation as well, with about 91 mm (3.6 in) expected over 16 days.
In December in Rundvik, the average temperature is -2°C (29°F), with a maximum reaching 6°C (44°F) and a minimum dipping as low as -17°C (1°F). Travelers should be prepared for cold conditions and potential fluctuations in temperature.
In Rundvik in December, the total precipitation amount is 91 mm (3.6 in) spread over 16 days.
In Rundvik in December, humidity is 94%. With an average temperature of -2°C (29°F), this humidity feels like a bitter chill that seeps into your bones, making travel uncomfortable and causing your breath to steam in the cold air.
In Rundvik in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Rundvik.
UV Risk Categories
Weather in Rundvik varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rundvik, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 55 mm (2.2 inches) | 95% | low |
| February Weather | -5°C (23°F) | 52 mm (2.0 inches) | 94% | low |
| March Weather | -2°C (29°F) | 46 mm (1.8 inches) | 91% | low |
| April Weather | 2°C (36°F) | 28 mm (1.1 inches) | 85% | moderate |
| May Weather | 7°C (45°F) | 46 mm (1.8 inches) | 79% | moderate |
| June Weather | 14°C (57°F) | 62 mm (2.4 inches) | 75% | high |
| July Weather | 16°C (62°F) | 68 mm (2.7 inches) | 80% | high |
| August Weather | 15°C (59°F) | 79 mm (3.1 inches) | 84% | moderate |
| September Weather | 11°C (51°F) | 82 mm (3.2 inches) | 87% | moderate |
| October Weather | 5°C (42°F) | 111 mm (4.4 inches) | 92% | low |
| November Weather | 1°C (34°F) | 75 mm (2.9 inches) | 92% | low |
| December Weather | -2°C (29°F) | 91 mm (3.6 inches) | 94% | low |