10 cities with 30-year climate records.
| City | Climate | Best time to visit |
|---|---|---|
| Zürich | May–September | |
| Basel | June–September | |
| Lausanne | June–September | |
| Bern | June–September | |
| Winterthur | May–September | |
| Luzern | May–September | |
| Sankt Gallen | June–August | |
| Lugano | May–September | |
| Biel/Bienne | June–September | |
| Zürich (Kreis 11) | May–September |