22.12
mon
mon
Day
43°F
S 1 mph
Precip.
0%
0%
Night
36°F
W 1 mph
Precip.
0%
0%
23.12
tue
tue
Day
39°F
S 3 mph
Precip.
0%
0%
Night
32°F
SW 4 mph
Precip.
0%
0%
24.12
wed
wed
Day
34°F
SW 12 mph
Precip.
100%
100%
Night
28°F
SW 8 mph
Precip.
66%
66%
25.12
thu
thu
Day
36°F
SW 2 mph
Precip.
0%
0%
Night
30°F
NE 1 mph
Precip.
0%
0%
26.12
fri
fri
Day
36°F
SW 2 mph
Precip.
0%
0%
Night
30°F
N 2 mph
Precip.
0%
0%
27.12
sat
sat
Day
36°F
S 2 mph
Precip.
0%
0%
Night
28°F
W 1 mph
Precip.
0%
0%
28.12
sun
sun
Day
34°F
SW 4 mph
Precip.
0%
0%
Night
30°F
SW 3 mph
Precip.
0%
0%
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 46.0°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: 13:55
December 22, monday
1500
43°F
S
1 mph
1 mph
1800
37°F
NW
1 mph
1 mph
2100
37°F
W
2 mph
2 mph
December 23, tuesday
0000
36°F
W
1 mph
1 mph
0300
34°F
W
1 mph
1 mph
0600
34°F
W
1 mph
1 mph
0900
34°F
S
1 mph
1 mph
1200
39°F
S
3 mph
3 mph
