Weather temperatures in Altdorf during the time of December is 3. Average highs are typically 7 and average daily low being -1. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 3 |
| High Temperature | 7 |
| Low Temperature | -1 |
| Sunshine Per Day | 2 |
Useful Links: Altdorf Weather: Average Weather & Yearly Climate