Current sea water temperature:
+44.6°F
| Minimum sea water temperature in January: | 46.6°F |
| Maximum sea water temperature in January: | 32.0°F |
| Average sea water temperature in January: | 41.8°F |
| more information | |
14 days
forecast
forecast
| St Gallen |
monthly
weather
weather
| St Gallen |
Sea water temperature for the last 10 days:
| December 31 | 44.6°F | December 26 | 44.4°F |
| December 30 | 43.9°F | December 25 | 45.0°F |
| December 29 | 43.9°F | December 24 | 44.8°F |
| December 28 | 43.9°F | December 23 | 45.3°F |
| December 27 | 44.6°F | December 22 | 45.9°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
January
January
| 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: 22:54
January 01, thursday
0000
23°F
N
2 mph
2 mph
0300
23°F
NE
3 mph
3 mph
0600
23°F
NE
3 mph
3 mph
0900
25°F
NE
3 mph
3 mph
1200
34°F
E
3 mph
3 mph
1500
36°F
E
3 mph
3 mph
1800
30°F
NE
6 mph
6 mph
2100
30°F
NE
7 mph
7 mph
