18.07
sat
sat
Day
72°F
E 6 mph
Precip.
21%
21%
Night
59°F
N 6 mph
Precip.
50%
50%
19.07
sun
sun
Day
64°F
NE 4 mph
Precip.
67%
67%
Night
57°F
W 4 mph
Precip.
14%
14%
20.07
mon
mon
Day
66°F
S 4 mph
Precip.
4%
4%
Night
55°F
SW 2 mph
Precip.
20%
20%
21.07
tue
tue
Day
63°F
S 4 mph
Precip.
3%
3%
Night
54°F
N 4 mph
Precip.
7%
7%
22.07
wed
wed
Day
66°F
S 4 mph
Precip.
2%
2%
Night
57°F
NE 4 mph
Precip.
10%
10%
23.07
thu
thu
Day
61°F
SE 4 mph
Precip.
49%
49%
Night
54°F
NW 2 mph
Precip.
17%
17%
24.07
fri
fri
Day
63°F
S 4 mph
Precip.
5%
5%
Night
55°F
N 4 mph
Precip.
7%
7%
sea water
temperature
temperature
| St Gallen |
monthly
weather
weather
| St Gallen |
current
weather
weather
| St Gallen |
14 days
forecast
forecast
| St Gallen |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 74.9°F. The highest and lowest sea temperatures during the month were 77.9°F and 73.6°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.
Air temperature in St Gallen, °F
Precipitation total in St Gallen, in.
* Charts above show average data for the last 3 years.
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: 08:09
July 18, saturday
0900
66°F
E
1 mph
1 mph
1200
72°F
E
6 mph
6 mph
1500
75°F
SE
7 mph
7 mph
1800
70°F
SE
5 mph
5 mph
2100
63°F
NE
5 mph
5 mph
July 19, sunday
0000
59°F
N
6 mph
6 mph
0300
57°F
N
5 mph
5 mph
0600
55°F
N
6 mph
6 mph
