World Resorts Switzerland St Gallen Weather

St Gallen Sea Temperature in May

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.

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

Sunniest months:
August 15 days
October 15 days
September 14 days
Warmest months:
August 73.3 °F
July 73.0 °F
June 70.8 °F
Warmest sea temp:
August 70.1 °F
July 69.4 °F
September 65.0 °F
Coldest months:
January 37.2 °F
December 39.9 °F
February 41.0 °F
Rainiest months:
July 10 days
May 9 days
June 9 days
Windiest months:
January 4.9 mph
February 4.8 mph
March 4.7 mph

St Gallen on a weather map

St Gallen
+70°F
E 14 mph
Feels like: +70°F
Precip.: 19%
Places in Switzerland:
Name
°F
+68°F
+61°F
+57°F
+66°F
+63°F
+59°F
+59°F
+59°F
+63°F
+73°F
+68°F
+61°F
+70°F
+68°F
+64°F
24 Hours Forecast
St Gallen
Local time: 11:27
August 28, friday
1200
70°F
E
14 mph
1500
66°F
E
10 mph
1800
63°F
NE
8 mph
2100
61°F
E
6 mph
August 29, saturday
0000
57°F
SE
6 mph
0300
54°F
NW
2 mph
0600
64°F
N
6 mph
0900
57°F
NE
2 mph
Units of measurement: °C / °F