24.12
wed
wed
Day
32°F
SW 17 mph
Precip.
100%
100%
Night
30°F
W 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
34°F
S 3 mph
Precip.
0%
0%
Night
28°F
NE 1 mph
Precip.
0%
0%
26.12
fri
fri
Day
34°F
SW 3 mph
Precip.
0%
0%
Night
28°F
SE 0 mph
Precip.
0%
0%
27.12
sat
sat
Day
36°F
S 1 mph
Precip.
0%
0%
Night
30°F
N 2 mph
Precip.
0%
0%
28.12
sun
sun
Day
34°F
SW 6 mph
Precip.
0%
0%
Night
25°F
SW 2 mph
Precip.
0%
0%
29.12
mon
mon
Day
34°F
E 2 mph
Precip.
0%
0%
Night
28°F
NE 3 mph
Precip.
0%
0%
30.12
tue
tue
Day
34°F
E 3 mph
Precip.
0%
0%
Night
27°F
E 7 mph
Precip.
100%
100%
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 December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 45.9°F. The highest and lowest sea temperatures during the month were 48.0°F and 44.6°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 43.3°F. The highest and lowest sea temperatures during the month were 46.6°F and 42.1°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: 15:55
December 24, wednesday
1800
30°F
SW
11 mph
11 mph
2100
28°F
W
6 mph
6 mph
December 25, thursday
0000
30°F
W
4 mph
4 mph
0300
28°F
SW
1 mph
1 mph
0600
27°F
E
2 mph
2 mph
0900
28°F
SE
1 mph
1 mph
1200
34°F
S
3 mph
3 mph
1500
36°F
S
4 mph
4 mph
