Last updated: August 27, 2025
In Bergby, Sweden, the average temperature in December hovers around -1°C (31°F). During this time, temperatures can dip as low as -16°C (3°F) and reach a maximum of 9°C (48°F). Expect about 55 mm (2.2 in) of precipitation spread over 12 days, coupled with a high average humidity of 94%.
In December in Bergby, the average temperature is -1°C (31°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -16°C (3°F). Travelers should be prepared for cold weather and pack appropriately for both milder and frigid conditions.
In Bergby in December, the total precipitation amount is 55 mm (2.2 in) over a span of 12 days.
In Bergby in December humidity is 94%. With an average temperature of -1°C (31°F), this humidity feels like a damp chill that seeps into your bones, making travel outdoors quite uncomfortable as the cold, heavy air clings to your skin.
In Bergby 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 Bergby.
UV Risk Categories
Weather in Bergby varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Bergby, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 38 mm (1.5 inches) | 96% | low |
| February Weather | -2°C (29°F) | 42 mm (1.6 inches) | 93% | low |
| March Weather | 1°C (34°F) | 38 mm (1.5 inches) | 91% | moderate |
| April Weather | 4°C (40°F) | 32 mm (1.3 inches) | 84% | moderate |
| May Weather | 10°C (50°F) | 51 mm (2.0 inches) | 74% | moderate |
| June Weather | 16°C (60°F) | 64 mm (2.5 inches) | 73% | high |
| July Weather | 17°C (63°F) | 71 mm (2.8 inches) | 73% | high |
| August Weather | 16°C (61°F) | 100 mm (3.9 inches) | 78% | moderate |
| September Weather | 12°C (53°F) | 48 mm (1.9 inches) | 87% | moderate |
| October Weather | 7°C (45°F) | 90 mm (3.5 inches) | 92% | low |
| November Weather | 3°C (37°F) | 43 mm (1.7 inches) | 94% | low |
| December Weather | -1°C (31°F) | 55 mm (2.2 inches) | 94% | low |