Last updated: August 27, 2025
In December, the average temperature in Fosser, Norway hovers around -1°C (30°F), with minimums dipping to -14°C (8°F) and maximums reaching 8°C (47°F). Expect a notable precipitation amount of 84 mm (3.3 in) spread over approximately 15 days, and be prepared for high average humidity at 93%.
In December in Fosser, the average temperature is -1°C (30°F). The maximum can reach 8°C (47°F), while the minimum can be as low as -14°C (8°F). Travelers should be prepared for cold weather and dress warmly to fully enjoy the winter experience.
In Fosser in December, the total precipitation amount is 84 mm (3.3 in) recorded over a span of 15 days.
In Fosser in December humidity is 93%. With average temperature -1°C (30°F), this humidity feels like an icy blanket wrapping around you, making every step outside a challenge for travelers. The damp chill seeps into your bones, and even a short stroll can feel exhausting when the air clings closely, creating an almost surreal experience that dampens spirits and slows down every adventure.
In Fosser 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 Fosser.
UV Risk Categories
Weather in Fosser varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Fosser, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 50 mm (2.0 inches) | 94% | low |
| February Weather | -2°C (29°F) | 55 mm (2.2 inches) | 92% | low |
| March Weather | 1°C (34°F) | 56 mm (2.2 inches) | 89% | moderate |
| April Weather | 5°C (42°F) | 35 mm (1.4 inches) | 82% | moderate |
| May Weather | 11°C (52°F) | 79 mm (3.1 inches) | 73% | moderate |
| June Weather | 16°C (61°F) | 80 mm (3.2 inches) | 71% | high |
| July Weather | 17°C (64°F) | 91 mm (3.6 inches) | 72% | high |
| August Weather | 16°C (60°F) | 86 mm (3.4 inches) | 77% | moderate |
| September Weather | 12°C (54°F) | 84 mm (3.3 inches) | 86% | moderate |
| October Weather | 7°C (45°F) | 105 mm (4.1 inches) | 92% | low |
| November Weather | 2°C (37°F) | 87 mm (3.4 inches) | 93% | low |
| December Weather | -1°C (30°F) | 84 mm (3.3 inches) | 93% | low |