Last updated: August 27, 2025
In December, the average temperature in Katrineholm, Sweden hovers around 1°C (33°F). Expect chilly days with minimums plunging to -19°C (-2°F) and maximums reaching up to 9°C (49°F). During this month, you can anticipate about 55 mm (2.2 in) of precipitation spread across approximately 13 days, accompanied by a high average humidity of 90%.
In December in Katrineholm, the average temperature is 1°C (33°F). Maximum temperatures can reach 9°C (49°F), while the minimum can drop as low as -19°C (-2°F). Travelers should be prepared for cold conditions and dress in layers to stay warm.
In Katrineholm in December, the precipitation amount is 55 mm (2.2 in) spread over 13 days.
In Katrineholm 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 Katrineholm 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 Katrineholm.
UV Risk Categories
Weather in Katrineholm varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Katrineholm, 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 (36°F) | 42 mm (1.7 inches) | 88% | moderate |
| April Weather | 6°C (42°F) | 30 mm (1.2 inches) | 82% | moderate |
| May Weather | 11°C (52°F) | 59 mm (2.3 inches) | 71% | moderate |
| June Weather | 17°C (63°F) | 50 mm (2.0 inches) | 69% | high |
| July Weather | 18°C (65°F) | 63 mm (2.5 inches) | 67% | high |
| August Weather | 17°C (62°F) | 71 mm (2.8 inches) | 72% | high |
| September Weather | 13°C (55°F) | 63 mm (2.5 inches) | 83% | moderate |
| October Weather | 8°C (47°F) | 71 mm (2.8 inches) | 89% | low |
| November Weather | 4°C (39°F) | 48 mm (1.9 inches) | 91% | low |
| December Weather | 1°C (33°F) | 55 mm (2.2 inches) | 90% | low |