Average weather in Altdorf during May is 13, with highs being around 20 degrees celsius and a low of 9. The table below has some further insights:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 20 |
| Low Temperature | 9 |
| Sunshine Per Day | 7 |
Useful Links: Altdorf Weather: Average Weather & Yearly Climate