Last updated: August 27, 2025
In December, the average temperature in Sundborn, Sweden hovers around -3°C (27°F). Expect chilly conditions as temperatures can dip to a minimum of -19°C (-3°F) and occasionally reach a maximum of 7°C (45°F). With a precipitation amount of 59 mm (2.3 in) over 13 days, be prepared for wet weather, complemented by a notable average humidity of 94%.
In December in Sundborn, the average temperature is -3°C (27°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -19°C (-3°F). Travelers should be prepared for cold weather and pack warm clothing to stay comfortable during their visit.
In Sundborn in December, the precipitation amount is 59 mm (2.3 in) spread over 13 days.
In Sundborn 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 Sundborn 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 Sundborn.
UV Risk Categories
Weather in Sundborn varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Sundborn, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -4°C (26°F) | 37 mm (1.5 inches) | 96% | low |
| February Weather | -4°C (26°F) | 38 mm (1.5 inches) | 93% | low |
| March Weather | -1°C (31°F) | 39 mm (1.6 inches) | 91% | moderate |
| April Weather | 4°C (39°F) | 32 mm (1.3 inches) | 84% | moderate |
| May Weather | 9°C (49°F) | 57 mm (2.2 inches) | 74% | moderate |
| June Weather | 15°C (60°F) | 76 mm (3.0 inches) | 73% | high |
| July Weather | 16°C (62°F) | 73 mm (2.9 inches) | 73% | high |
| August Weather | 15°C (59°F) | 98 mm (3.8 inches) | 78% | moderate |
| September Weather | 11°C (51°F) | 59 mm (2.3 inches) | 87% | moderate |
| October Weather | 6°C (43°F) | 92 mm (3.6 inches) | 92% | low |
| November Weather | 1°C (35°F) | 54 mm (2.1 inches) | 94% | low |
| December Weather | -3°C (27°F) | 59 mm (2.3 inches) | 94% | low |