World Resorts Switzerland St Gallen Weather

St Gallen weather in August

Weather in St Gallen: August

Average day temperature: 73.3°F
Average night temperature: 57.5°F
Sea water temperature: 70.0°F
Number of sunny days: 15 days
Day length: 13.4 - 14.9 hours
Number of rainy days: 8 days
Precipitation totals: 4.7 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 86°F. At the same time the lowest night temperature was 35°F. Daily and nightly averages during August were 74.6°F and 61.7°F.

Sea water temperature in St Gallen in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 75.8°F. The highest and lowest sea temperatures during the month were 77.5°F and 72.7°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in August is almost equal.

Precipitation total in August, in.

Precipitation total value in St Gallen in August is 5.2 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 3.9 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.1.

Best time for vacation in St Gallen

Sunniest months:
August 15 days
October 15 days
September 14 days
Warmest months:
August 73.3 °F
July 73.0 °F
June 70.8 °F
Warmest sea temp:
August 70.1 °F
July 69.4 °F
September 65.0 °F
Coldest months:
January 37.2 °F
December 39.9 °F
February 41.0 °F
Rainiest months:
July 10 days
May 9 days
June 9 days
Windiest months:
January 4.9 mph
February 4.8 mph
March 4.7 mph

St Gallen on a weather map

St Gallen
+72°F
E 19 mph
Feels like: +77°F
Precip.: 14%
Places in Switzerland:
Name
°F
+68°F
+61°F
+57°F
+66°F
+63°F
+59°F
+59°F
+59°F
+63°F
+73°F
+68°F
+61°F
+72°F
+68°F
+64°F
24 Hours Forecast
St Gallen
Local time: 10:50
August 28, friday
1200
72°F
E
19 mph
1500
63°F
E
14 mph
1800
59°F
NE
9 mph
2100
55°F
N
5 mph
August 29, saturday
0000
54°F
N
6 mph
0300
61°F
N
5 mph
0600
64°F
N
4 mph
0900
55°F
N
2 mph
Units of measurement: °C / °F