Last updated: August 27, 2025
In Karby, Sweden, the average temperature in December hovers around -1°C (31°F), with minimums dropping to a chilly -18°C (1°F) and maximums reaching a mild 9°C (48°F). Expect 51 mm (2.0 in) of precipitation spread over 13 days, creating a humid atmosphere with an average humidity level of 94%. Prepare for a quintessential winter experience!
In December in Karby, the average temperature is -1°C (31°F), with maximums reaching up to 9°C (48°F) and minimums dropping as low as -18°C (1°F). Be sure to pack warm clothing and prepare for chilly conditions if you're planning to visit during this time.
In Karby in December, the precipitation amount is 51 mm (2.0 in) spread over 13 days.
In Karby 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 Karby 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 Karby.
UV Risk Categories
Weather in Karby varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Karby, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (29°F) | 34 mm (1.3 inches) | 96% | low |
| February Weather | -2°C (29°F) | 32 mm (1.3 inches) | 93% | low |
| March Weather | 1°C (34°F) | 37 mm (1.4 inches) | 91% | moderate |
| April Weather | 5°C (41°F) | 30 mm (1.2 inches) | 84% | moderate |
| May Weather | 10°C (51°F) | 62 mm (2.5 inches) | 74% | moderate |
| June Weather | 17°C (62°F) | 61 mm (2.4 inches) | 73% | high |
| July Weather | 18°C (64°F) | 73 mm (2.9 inches) | 73% | high |
| August Weather | 16°C (62°F) | 77 mm (3.0 inches) | 78% | moderate |
| September Weather | 12°C (54°F) | 49 mm (1.9 inches) | 87% | moderate |
| October Weather | 7°C (45°F) | 79 mm (3.1 inches) | 92% | low |
| November Weather | 3°C (38°F) | 42 mm (1.7 inches) | 94% | low |
| December Weather | -1°C (31°F) | 51 mm (2.0 inches) | 94% | low |