In April warmest sea in Switzerland is usually observed in the following locations: Zurich, Winterthur, Geneva.
Table below shows the average sea water temperature for marine resorts of Switzerland in April for the last three years.
| Place name | April 2025 | April 2024 | April 2023 |
|---|---|---|---|
| Zurich | 52.4°F | 51.7°F | 47.4°F |
| Winterthur | 52.3°F | 51.6°F | 47.4°F |
| Geneva | 52.3°F | 52.2°F | 48.6°F |
| Montreux | 51.8°F | 52.3°F | 49.3°F |
| Gstaad | 51.8°F | 52.3°F | 49.3°F |
| Verbier | 51.8°F | 52.3°F | 49.3°F |
| Vevey | 51.7°F | 52.3°F | 49.2°F |
| Lake Geneva | 51.4°F | 51.9°F | 48.3°F |
| Lausanne | 51.3°F | 52.0°F | 48.6°F |
| St Gallen | 50.8°F | 50.7°F | 48.2°F |
Charts below show average sea water temperature for Switzerland resorts with the warmest sea in April.
You can also check other months of the year to see sea temperature of Switzerland resorts at that time.
Places in Switzerland:
Name
°F
