Current sea water temperature:
+75.7°F
| Minimum sea water temperature in July: | 77.9°F |
| Maximum sea water temperature in July: | 32.0°F |
| Average sea water temperature in July: | 69.2°F |
| more information | |
14 days
forecast
forecast
| St Gallen |
monthly
weather
weather
| St Gallen |
Sea water temperature for the last 10 days:
| July 14 | 75.7°F | July 9 | 73.6°F |
| July 13 | 75.9°F | July 8 | 73.8°F |
| July 12 | 75.9°F | July 7 | 74.1°F |
| July 11 | 75.2°F | July 6 | 73.6°F |
| July 10 | 74.1°F | July 5 | 73.6°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:
2025
2024
2023
The average sea water temperature in August of 2025 was 71.8°F. The highest and lowest sea temperatures during the month were 74.8°F and 67.8°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 76.3°F and 70.9°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
July
July
| 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: 06:47
July 15, wednesday
0900

66°F
SW
2 mph
2 mph
1200

73°F
S
2 mph
2 mph
1500

77°F
S
4 mph
4 mph
1800

72°F
SW
11 mph
11 mph
2100

63°F
NE
5 mph
5 mph
July 16, thursday
0000

61°F
N
6 mph
6 mph
0300

59°F
NW
2 mph
2 mph
0600

59°F
N
3 mph
3 mph




























