Last updated: August 27, 2025
In December, the average temperature in Valla, Sweden hovers around 1°C (33°F). You might experience chilly lows dipping to -19°C (-3°F), while highs can reach a mild 9°C (49°F). Expect 55 mm (2.2 in) of precipitation spread over 13 days, contributing to a notably high average humidity of 90%.
In December in Valla, the average temperature is 1°C (33°F). Maximums can reach 9°C (49°F), while minimums can drop as low as -19°C (-3°F). Travelers should be prepared for a chilly climate and dress accordingly.
In Valla in December, the precipitation amount is 55 mm (2.2 in) spread over 13 days.
In Valla in December humidity is 90%. With an average temperature of 1°C (33°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making every step outside feel heavy and uncomfortable for traveling.
In Valla 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 Valla.
UV Risk Categories
Weather in Valla varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Valla, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (32°F) | 37 mm (1.4 inches) | 91% | low |
| February Weather | -1°C (31°F) | 31 mm (1.2 inches) | 89% | low |
| March Weather | 2°C (35°F) | 42 mm (1.7 inches) | 88% | moderate |
| April Weather | 5°C (42°F) | 30 mm (1.2 inches) | 82% | moderate |
| May Weather | 11°C (52°F) | 60 mm (2.3 inches) | 71% | moderate |
| June Weather | 17°C (62°F) | 50 mm (2.0 inches) | 69% | high |
| July Weather | 18°C (65°F) | 65 mm (2.6 inches) | 67% | high |
| August Weather | 17°C (62°F) | 77 mm (3.0 inches) | 72% | high |
| September Weather | 13°C (55°F) | 61 mm (2.4 inches) | 83% | moderate |
| October Weather | 8°C (47°F) | 71 mm (2.8 inches) | 89% | low |
| November Weather | 4°C (39°F) | 47 mm (1.9 inches) | 91% | low |
| December Weather | 1°C (33°F) | 55 mm (2.2 inches) | 90% | low |