Current sea water temperature:
+73.4°F
| Minimum sea water temperature in August: | 77.9°F |
| Maximum sea water temperature in August: | 32.0°F |
| Average sea water temperature in August: | 70.0°F |
| more information | |
14 days
forecast
forecast
| St Gallen |
monthly
weather
weather
| St Gallen |
Sea water temperature for the last 10 days:
| August 28 | 73.4°F | August 23 | 73.8°F |
| August 27 | 72.7°F | August 22 | 75.9°F |
| August 26 | 72.7°F | August 21 | 76.6°F |
| August 25 | 74.5°F | August 20 | 77.4°F |
| August 24 | 75.0°F | August 19 | 76.5°F |
Monthly sea water temperature, °F
When is the warmest sea in St Gallen?
Based on the data about daily sea water temperature for the last three years the warmest sea in St Gallen was noticed in August, July and September.
Monthly Sea Temperatures in St Gallen, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 75.8°F. The highest and lowest sea temperatures during the month were 77.5°F and 72.7°F.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 74.6°F. The highest and lowest sea temperatures during the month were 77.9°F and 72.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.8°F. The highest and lowest sea temperatures during the month were 70.5°F and 63.3°F.
current
weather
weather
| St Gallen |
weather in
September
September
| St Gallen |
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: 10:51
August 28, friday
1200
70°F
E
14 mph
14 mph
1500
66°F
E
10 mph
10 mph
1800
63°F
NE
8 mph
8 mph
2100
61°F
E
6 mph
6 mph
August 29, saturday
0000
57°F
SE
6 mph
6 mph
0300
54°F
NW
2 mph
2 mph
0600
64°F
N
6 mph
6 mph
0900
57°F
NE
2 mph
2 mph
