28.12
sun
sun
Day
36°F
SW 2 mph
Precip.
0%
0%
Night
28°F
E 2 mph
Precip.
0%
0%
29.12
mon
mon
Day
37°F
S 1 mph
Precip.
0%
0%
Night
30°F
NE 2 mph
Precip.
0%
0%
30.12
tue
tue
Day
32°F
SW 6 mph
Precip.
0%
0%
Night
23°F
SW 4 mph
Precip.
0%
0%
31.12
wed
wed
Day
30°F
E 6 mph
Precip.
0%
0%
Night
27°F
NE 2 mph
Precip.
82%
82%
01.01
thu
thu
Day
32°F
E 2 mph
Precip.
0%
0%
Night
30°F
NE 14 mph
Precip.
100%
100%
02.01
fri
fri
Day
30°F
E 14 mph
Precip.
100%
100%
Night
21°F
E 6 mph
Precip.
100%
100%
03.01
sat
sat
Day
27°F
NE 5 mph
Precip.
0%
0%
Night
18°F
N 6 mph
Precip.
0%
0%
04.01
sun
sun
Day
27°F
E 2 mph
Precip.
0%
0%
Night
19°F
N 3 mph
Precip.
0%
0%
05.01
mon
mon
Day
25°F
SW 2 mph
Precip.
0%
0%
Night
19°F
N 2 mph
Precip.
50%
50%
06.01
tue
tue
Day
27°F
W 3 mph
Precip.
0%
0%
Night
19°F
N 4 mph
Precip.
0%
0%
07.01
wed
wed
Day
30°F
E 1 mph
Precip.
0%
0%
Night
23°F
N 4 mph
Precip.
0%
0%
08.01
thu
thu
Day
34°F
N 2 mph
Precip.
100%
100%
Night
34°F
N 5 mph
Precip.
100%
100%
09.01
fri
fri
Day
34°F
W 2 mph
Precip.
0%
0%
Night
30°F
NE 3 mph
Precip.
43%
43%
10.01
sat
sat
Day
32°F
E 6 mph
Precip.
100%
100%
Night
28°F
E 7 mph
Precip.
100%
100%
sea water
temperature
temperature
| St Gallen |
monthly
weather
weather
| St Gallen |
current
weather
weather
| St Gallen |
7 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 45.7°F. The highest and lowest sea temperatures during the month were 48.0°F and 43.9°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: 22:17
December 29, monday
0000
28°F
E
2 mph
2 mph
0300
28°F
E
2 mph
2 mph
0600
28°F
NE
1 mph
1 mph
0900
30°F
N
1 mph
1 mph
1200
37°F
S
1 mph
1 mph
1500
39°F
SE
1 mph
1 mph
1800
32°F
NE
2 mph
2 mph
2100
32°F
NE
3 mph
3 mph
