23.12
tue
tue
Day
39°F
SW 4 mph
Precip.
0%
0%
Night
32°F
SW 4 mph
Precip.
0%
0%
24.12
wed
wed
Day
32°F
SW 14 mph
Precip.
100%
100%
Night
28°F
W 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
36°F
S 2 mph
Precip.
0%
0%
Night
30°F
SW 1 mph
Precip.
0%
0%
26.12
fri
fri
Day
37°F
SW 3 mph
Precip.
0%
0%
Night
28°F
W 1 mph
Precip.
0%
0%
27.12
sat
sat
Day
36°F
S 2 mph
Precip.
0%
0%
Night
30°F
NE 4 mph
Precip.
0%
0%
28.12
sun
sun
Day
32°F
SW 9 mph
Precip.
0%
0%
Night
23°F
SW 4 mph
Precip.
0%
0%
29.12
mon
mon
Day
28°F
SE 2 mph
Precip.
0%
0%
Night
25°F
N 1 mph
Precip.
0%
0%
30.12
tue
tue
Day
32°F
SW 2 mph
Precip.
0%
0%
Night
27°F
N 2 mph
Precip.
0%
0%
31.12
wed
wed
Day
32°F
E 2 mph
Precip.
0%
0%
Night
27°F
NE 6 mph
Precip.
0%
0%
01.01
thu
thu
Day
25°F
SW 13 mph
Precip.
100%
100%
Night
12°F
NW 4 mph
Precip.
20%
20%
02.01
fri
fri
Day
21°F
SW 2 mph
Precip.
0%
0%
Night
18°F
NE 4 mph
Precip.
0%
0%
03.01
sat
sat
Day
32°F
NE 4 mph
Precip.
100%
100%
Night
36°F
NE 5 mph
Precip.
100%
100%
04.01
sun
sun
Day
37°F
NE 6 mph
Precip.
85%
85%
Night
36°F
NE 5 mph
Precip.
44%
44%
05.01
mon
mon
Day
36°F
E 6 mph
Precip.
100%
100%
Night
30°F
SE 4 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 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: 08:31
December 23, tuesday
0900
32°F
SW
1 mph
1 mph
1200
39°F
SW
4 mph
4 mph
1500
39°F
SW
3 mph
3 mph
1800
34°F
S
3 mph
3 mph
2100
30°F
S
2 mph
2 mph
December 24, wednesday
0000
32°F
SW
4 mph
4 mph
0300
34°F
SW
6 mph
6 mph
0600
34°F
SW
8 mph
8 mph
