Last updated: August 27, 2025
In December, the average temperature in Alfta, Sweden hovers around -3°C (27°F). Expect cold nights with minimums reaching -21°C (-5°F), while daytime highs can go up to about 7°C (44°F). Prepare for potentially damp conditions, as the area receives about 59 mm (2.3 in) of precipitation over 12 days, with the average humidity sitting at a brisk 94%. Stay warm and ready for whatever the weather brings!
In December in Alfta, the average temperature is -3°C (27°F). The maximum can reach 7°C (44°F), while the minimum can plummet to as low as -21°C (-5°F). Be sure to pack warm clothing and prepare for chilly conditions if you're planning to travel during this time.
In Alfta in December, the precipitation amount is 59 mm (2.3 in) occurring over the course of 12 days.
In Alfta in December, humidity is 94%. With an average temperature of -3°C (27°F), this humidity feels like a bone-chilling cold that permeates through layers of clothing, making traveling uncomfortable and the air heavy, as each breath seems to freeze in the frosty atmosphere.
In Alfta 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 Alfta.
UV Risk Categories
Weather in Alfta varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Alfta, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (25°F) | 39 mm (1.5 inches) | 96% | low |
| February Weather | -4°C (25°F) | 39 mm (1.5 inches) | 93% | low |
| March Weather | -1°C (31°F) | 40 mm (1.6 inches) | 91% | moderate |
| April Weather | 3°C (38°F) | 35 mm (1.4 inches) | 84% | moderate |
| May Weather | 9°C (49°F) | 60 mm (2.4 inches) | 74% | moderate |
| June Weather | 15°C (59°F) | 76 mm (3.0 inches) | 73% | high |
| July Weather | 16°C (61°F) | 84 mm (3.3 inches) | 73% | high |
| August Weather | 15°C (59°F) | 102 mm (4.0 inches) | 78% | moderate |
| September Weather | 10°C (51°F) | 60 mm (2.4 inches) | 87% | moderate |
| October Weather | 5°C (42°F) | 82 mm (3.2 inches) | 92% | low |
| November Weather | 1°C (34°F) | 46 mm (1.8 inches) | 94% | low |
| December Weather | -3°C (27°F) | 59 mm (2.3 inches) | 94% | low |