27.04
mon
mon
Day
59°F
SW 4 mph
Precip.
0%
0%
Night
46°F
N 2 mph
Precip.
0%
0%
28.04
tue
tue
Day
57°F
SW 4 mph
Precip.
0%
0%
Night
50°F
W 1 mph
Precip.
0%
0%
29.04
wed
wed
Day
54°F
SW 6 mph
Precip.
75%
75%
Night
43°F
SW 7 mph
Precip.
0%
0%
30.04
thu
thu
Day
54°F
SW 4 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
48°F
NE 3 mph
Precip.
0%
0%
02.05
sat
sat
Day
63°F
S 3 mph
Precip.
84%
84%
Night
52°F
NE 4 mph
Precip.
73%
73%
03.05
sun
sun
Day
61°F
NE 3 mph
Precip.
76%
76%
Night
54°F
N 4 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 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: 23:29
April 28, tuesday
0000
46°F
N
2 mph
2 mph
0300
45°F
N
1 mph
1 mph
0600
45°F
NW
1 mph
1 mph
0900
50°F
SW
2 mph
2 mph
1200
57°F
SW
4 mph
4 mph
1500
61°F
SW
3 mph
3 mph
1800
61°F
SW
6 mph
6 mph
2100
54°F
SW
5 mph
5 mph
