Normally the average weather in Ascona right through March is 7. Highs are expected to be 12 and low of 5. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 12 |
| Low Temperature | 5 |
| Sunshine Per Day | 5 |
Useful Links: Ascona Weather: Average Weather & Yearly Climate