Average sea water temperature in May:
+56.4°F
| Minimum sea water temperature in May: | 70.7°F |
| Maximum sea water temperature in May: | 32.0°F |
Daily sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 61.3°F. The highest and lowest sea temperatures during the month were 70.7°F and 57.6°F.
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| Winterthur |
monthly
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| Winterthur |
current
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| Winterthur |
14 days
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| Winterthur |
Monthly sea water temperature in Winterthur, °F
Which Switzerland resorts have warmest sea in May?
| Place name | May 2026 | May 2025 |
|---|---|---|
| Zurich | 61.4°F | 60.4°F |
| Winterthur | 61.3°F | 60.3°F |
| Montreux | 61.3°F | 59.4°F |
| Gstaad | 61.3°F | 59.4°F |
| Verbier | 61.3°F | 59.4°F |
| Vevey | 60.6°F | 59.3°F |
| Geneva | 60.6°F | 59.7°F |
| Lake Geneva | 60.2°F | 58.9°F |
| St Gallen | 60.2°F | 59.4°F |
| Lausanne | 60.1°F | 58.8°F |
Best time for vacation in Winterthur
Winterthur on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Winterthur
Local time: 14:57
June 10, wednesday
1500

55°F
NW
4 mph
4 mph
1800

54°F
N
7 mph
7 mph
2100

48°F
N
5 mph
5 mph
June 11, thursday
0000

45°F
N
4 mph
4 mph
0300

46°F
NE
3 mph
3 mph
0600

43°F
N
3 mph
3 mph
0900

54°F
E
4 mph
4 mph
1200

63°F
E
9 mph
9 mph



























