Average sea water temperature in May:
+56.1°F
| Minimum sea water temperature in May: | 69.8°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 60.2°F. The highest and lowest sea temperatures during the month were 69.8°F and 55.8°F.
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| St Gallen |
monthly
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| St Gallen |
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| St Gallen |
14 days
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Monthly sea water temperature in St Gallen, °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 St Gallen
St Gallen on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
St Gallen
Local time: 09:30
June 23, tuesday
1200

77°F
SW
3 mph
3 mph
1500

82°F
S
4 mph
4 mph
1800

81°F
SW
9 mph
9 mph
2100

72°F
SW
2 mph
2 mph
June 24, wednesday
0000

66°F
N
2 mph
2 mph
0300

64°F
N
2 mph
2 mph
0600

63°F
NW
2 mph
2 mph
0900

72°F
SW
2 mph
2 mph

























