Measurements:
°C
°F
St Gallen
56°F
S 2 mph
Feels like: 58°F
Precip: 71%
World Resorts Switzerland St Gallen Weather

7 Day Weather Forecast

05.07
thu
DAY
54°F
SE 5 mph
precip
100%
NIGHT
44°F
NW 2 mph
precip
0%
05.08
fri
DAY
58°F
SW 4 mph
precip
0%
NIGHT
48°F
N 2 mph
precip
0%
05.09
sat
DAY
62°F
SW 3 mph
precip
78%
NIGHT
50°F
N 2 mph
precip
0%
05.10
sun
DAY
64°F
SE 4 mph
precip
0%
NIGHT
52°F
N 4 mph
precip
0%
05.11
mon
DAY
66°F
E 9 mph
precip
100%
NIGHT
48°F
NE 9 mph
precip
100%
05.12
tue
DAY
40°F
E 4 mph
precip
100%
NIGHT
36°F
N 3 mph
precip
0%
05.13
wed
DAY
52°F
E 7 mph
precip
0%
NIGHT
44°F
NE 6 mph
precip
0%

St Gallen Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for St Gallen was 15.2°F. The maximum and minimum values were 14.3°F and 16.6°F respectively.

St Gallen on the Weather Map

Best Time to Visit St Gallen
The most sunny months:
August 16 days
October 15 days
September 14 days
The most warm months:
August 75.8 °F
July 75.4 °F
June 73.0 °F
Warmest sea temperature:
August 71.9 °F
July 71.1 °F
September 66.7 °F
The most cold months:
January 35.8 °F
December 38.8 °F
February 40.0 °F
The most rainy months:
July 10 days
May 9 days
June 9 days
The most windy months:
January 4 mph
February 4 mph
March 4 mph