Last updated: August 27, 2025
In Ganterschwil, Switzerland, the average temperature for December hovers around 3°C (37°F), with lows dipping to -6°C (21°F) and highs reaching 13°C (56°F). Expect relatively wet conditions, with around 127 mm (5.0 in) of precipitation spread across approximately 19 days. Coupled with an average humidity of 90%, this month embodies a true winter ambiance.
In December in Ganterschwil, the average temperature is 3°C (37°F). Maximums can reach 13°C (56°F), while minimums can drop as low as -6°C (21°F). Travelers should be prepared for chilly weather and pack accordingly to fully enjoy their visit.
In Ganterschwil in December, the total precipitation amount is 127 mm (5.0 in), occurring over a span of 19 days.
In Ganterschwil in December, humidity is 90%. With an average temperature of 3°C (37°F), this humidity feels like a heavy blanket wrapped around you, making travel feel cumbersome and draining, as the dampness clings to your skin and the cold bites through your layers.
In Ganterschwil 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 Ganterschwil.
UV Risk Categories
Weather in Ganterschwil varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ganterschwil, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 1°C (34°F) | 101 mm (4.0 inches) | 92% | low |
| February Weather | 3°C (38°F) | 80 mm (3.1 inches) | 89% | moderate |
| March Weather | 6°C (43°F) | 90 mm (3.6 inches) | 87% | moderate |
| April Weather | 10°C (50°F) | 67 mm (2.6 inches) | 84% | high |
| May Weather | 13°C (56°F) | 129 mm (5.1 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 151 mm (5.9 inches) | 82% | very high |
| July Weather | 20°C (68°F) | 111 mm (4.4 inches) | 83% | very high |
| August Weather | 20°C (68°F) | 139 mm (5.5 inches) | 80% | very high |
| September Weather | 15°C (60°F) | 100 mm (3.9 inches) | 83% | high |
| October Weather | 11°C (52°F) | 107 mm (4.2 inches) | 90% | moderate |
| November Weather | 5°C (42°F) | 65 mm (2.6 inches) | 88% | low |
| December Weather | 3°C (37°F) | 127 mm (5.0 inches) | 90% | low |