Weather in August 2025

St. Gallen weather in August 2025

The temperatures in St. Gallen in August are comfortable with low of 10°C and and high up to 22°C.

You can expect rain for roughly half of the month of August in St. Gallen. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.

Our weather forecast can give you a great sense of what weather to expect in St. Gallen in August 2025.

If you’re planning to visit St. Gallen in the near future, we highly recommend that you review the 14 day weather forecast for St. Gallen before you arrive.

Temperatures
Temperatures
22° / 10°
Rainy Days
Rainy Days
10
Snowy Days
Snowy Days
0
Dry Days
Dry Days
21
Rainfall
Rainfall
172
mm
10.7
Sun Hours
10.7
Hrs

St. Gallen annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 2° / -6° 7 8 17 127 mm
Awful
February 3° / -6° 5 8 16 88 mm
Awful
March 7° / -3° 7 13 11 97 mm
Awful
April 12° / 1° 7 18 5 84 mm
Awful
May 16° / 5° 12 18 1 169 mm
Ok
June 20° / 8° 12 18 0 191 mm
Ok
July 22° / 10° 11 20 0 160 mm
Ok
August 22° / 10° 10 21 0 172 mm
Ok
September 19° / 7° 6 24 0 111 mm
Good
October 14° / 3° 6 23 3 104 mm
Ok
November 8° / 0° 5 17 8 85 mm
Bad
December 3° / -4° 7 10 14 115 mm
Awful
Temperatures in St. Gallen in August
Rain in St. Gallen in August

Weather in St. Gallen in August - FAQ

What is the average temperature in St. Gallen in August?
The average temperature in St. Gallen in August is 10/22° C.
What is the chance of rain in St. Gallen in August?
On average, there are 10 rainy days in St. Gallen during August.
Weather wise, is August a good time to visit St. Gallen?
The weather in St. Gallen in August is ok.
Can it snow in St. Gallen in August?
On average, there are 0 snowy days in St. Gallen in August.
More about the weather in St. Gallen