Last updated: June 24, 2025
In December, the average temperature in Schleswig, United States hovers around -2°C (29°F), with temperatures ranging from a chilling -24°C (-11°F) to a surprisingly warm 21°C (69°F). Precipitation totals 40 mm (1.6 in) over approximately 4 days, while the average humidity sits at a brisk 83%.
In December in Schleswig, the average temperature is -2°C (29°F), with maximums reaching up to 21°C (69°F) and minimums dropping as low as -24°C (-11°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort during their visit.
In Schleswig in December, the precipitation amount is 40 mm (1.6 in) spread over a duration of 4 days.
In Schleswig in December, humidity is 83%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill that seeps into your bones, making travel outside feel particularly uncomfortable and brisk, as the damp air enhances the cold sensation, leaving you longing for warmth and shelter.
In Schleswig in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Schleswig, you can visit Hourly UV Index in Schleswig.
UV Risk Categories
Weather in Schleswig varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Schleswig, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (22°F) | 25 mm (1.0 inches) | 80% | moderate |
| February Weather | -5°C (22°F) | 38 mm (1.5 inches) | 84% | moderate |
| March Weather | 3°C (38°F) | 78 mm (3.1 inches) | 75% | moderate |
| April Weather | 9°C (48°F) | 71 mm (2.8 inches) | 79% | very high |
| May Weather | 16°C (61°F) | 142 mm (5.6 inches) | 74% | very high |
| June Weather | 23°C (74°F) | 122 mm (4.8 inches) | 81% | extreme |
| July Weather | 24°C (76°F) | 55 mm (2.2 inches) | 82% | very high |
| August Weather | 22°C (73°F) | 109 mm (4.3 inches) | 80% | very high |
| September Weather | 20°C (67°F) | 108 mm (4.2 inches) | 75% | very high |
| October Weather | 10°C (51°F) | 102 mm (4.0 inches) | 77% | high |
| November Weather | 3°C (37°F) | 31 mm (1.2 inches) | 85% | moderate |
| December Weather | -2°C (29°F) | 40 mm (1.6 inches) | 83% | low |