Last updated: August 27, 2025
In December, the average temperature in Sommen, Sweden sits at a chilly 1°C (34°F). Be prepared for a range of temperatures as the minimum can plunge to -14°C (7°F), while the maximum may reach 9°C (49°F). This month also sees 49 mm (1.9 in) of precipitation spread across 13 days, contributing to an average humidity level of a steamy 94%.
In December in Sommen, the average temperature is 1°C (34°F). The maximum can reach 9°C (49°F), and the minimum can be as low as -14°C (7°F). Travelers should be prepared for a wide range of temperatures and dress accordingly.
In Sommen in December, the precipitation amount is 49 mm (1.9 in) over the course of 13 days.
In Sommen in December, humidity is 94%. With an average temperature of 1°C (34°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable and every breath feel heavy, as if the damp air is sapping your energy while you navigate through the chill.
In Sommen 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 Sommen.
UV Risk Categories
Weather in Sommen varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sommen, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 35 mm (1.4 inches) | 94% | low |
| February Weather | 0°C (31°F) | 38 mm (1.5 inches) | 92% | low |
| March Weather | 2°C (35°F) | 45 mm (1.8 inches) | 89% | moderate |
| April Weather | 5°C (42°F) | 33 mm (1.3 inches) | 81% | moderate |
| May Weather | 11°C (52°F) | 57 mm (2.2 inches) | 72% | moderate |
| June Weather | 17°C (62°F) | 57 mm (2.3 inches) | 68% | high |
| July Weather | 18°C (64°F) | 68 mm (2.7 inches) | 70% | high |
| August Weather | 16°C (62°F) | 84 mm (3.3 inches) | 77% | high |
| September Weather | 13°C (55°F) | 77 mm (3.0 inches) | 86% | moderate |
| October Weather | 8°C (47°F) | 75 mm (3.0 inches) | 91% | low |
| November Weather | 4°C (40°F) | 48 mm (1.9 inches) | 93% | low |
| December Weather | 1°C (34°F) | 49 mm (1.9 inches) | 94% | low |