27.04
mon
mon
Day
59°F
SW 4 mph
Precip.
0%
0%
Night
48°F
N 2 mph
Precip.
0%
0%
28.04
tue
tue
Day
55°F
S 3 mph
Precip.
0%
0%
Night
50°F
W 1 mph
Precip.
0%
0%
29.04
wed
wed
Day
57°F
SW 7 mph
Precip.
61%
61%
Night
43°F
W 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
54°F
SW 3 mph
Precip.
0%
0%
Night
41°F
NE 2 mph
Precip.
0%
0%
01.05
fri
fri
Day
55°F
S 4 mph
Precip.
0%
0%
Night
50°F
NE 4 mph
Precip.
0%
0%
02.05
sat
sat
Day
64°F
SE 3 mph
Precip.
100%
100%
Night
54°F
N 5 mph
Precip.
60%
60%
03.05
sun
sun
Day
63°F
SE 3 mph
Precip.
100%
100%
Night
54°F
N 4 mph
Precip.
77%
77%
04.05
mon
mon
Day
52°F
NW 2 mph
Precip.
100%
100%
Night
48°F
N 2 mph
Precip.
100%
100%
05.05
tue
tue
Day
61°F
S 4 mph
Precip.
0%
0%
Night
52°F
N 4 mph
Precip.
0%
0%
06.05
wed
wed
Day
61°F
E 5 mph
Precip.
100%
100%
Night
52°F
NE 4 mph
Precip.
100%
100%
07.05
thu
thu
Day
55°F
SW 6 mph
Precip.
100%
100%
Night
46°F
W 2 mph
Precip.
0%
0%
08.05
fri
fri
Day
59°F
S 3 mph
Precip.
0%
0%
Night
54°F
N 4 mph
Precip.
0%
0%
09.05
sat
sat
Day
66°F
NE 3 mph
Precip.
0%
0%
Night
57°F
N 4 mph
Precip.
0%
0%
10.05
sun
sun
Day
70°F
S 2 mph
Precip.
0%
0%
Night
63°F
W 2 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 April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 50.7°F. The highest and lowest sea temperatures during the month were 55.4°F and 43.9°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 59.4°F. The highest and lowest sea temperatures during the month were 61.9°F and 57.7°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: 21:58
April 28, tuesday
0000
48°F
N
2 mph
2 mph
0300
45°F
N
1 mph
1 mph
0600
45°F
NW
2 mph
2 mph
0900
50°F
SW
2 mph
2 mph
1200
55°F
S
3 mph
3 mph
1500
61°F
SW
5 mph
5 mph
1800
61°F
SW
9 mph
9 mph
2100
54°F
SW
3 mph
3 mph
