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St Gallen

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St Gallen Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

St Gallen year round climate

  • Spring (March–May): Average 6.3–12.2°C, mild climate with less rainfall, suitable for outdoor activities. Common activities: Hiking, visiting St. Gallen Abbey. Suggested clothing: Light jacket, comfortable long pants or skirt.
  • Summer (June–August): Average 15.9–19.0°C, warm and comfortable climate with relatively less rainfall. Common activities: Walking in the old town, visiting museums, enjoying outdoor coffee time. Suggested clothing: Short-sleeved clothing, comfortable and breathable pants or skirt.
  • Autumn (September–November): Average 12.9–4.4°C, cool climate with moderate rainfall. Common activities: Enjoying autumn scenery, tasting local specialties. Suggested clothing: Light sweater, jacket, warm long pants.
  • Winter (December–February): Average 1.0–5.8°C, cold climate with less rainfall, possible snowfall. Common activities: Indoor activities, such as visiting museums, art galleries. Suggested clothing: Thick coat, warm clothing, scarf, hat, gloves.

St Gallen climatological average

Annual average temperature: approx. 9.6°C / Annual rainfall: approx. 62 mm / Summer humidity: 60%–70% / Rainiest month: June

St Gallen monthly average temperature and precipitation

Month
Air temperature (°C)
Precipitation (mm)
January
0.9°C
5
February
5.8°C
2.3
March
6.3°C
5.2
April
8.1°C
5.6
May
12.2°C
6.7
June
15.9°C
8.3
July
18.3°C
6.7
August
19°C
3.8
September
12.9°C
6.8
October
10.9°C
4.4
November
4.4°C
3.5
December
1°C
4.1

St Gallen weather for the next seven days

12/12
Friday
Sunny
8.9°C/4°C
12/13
Saturday
Sunny
8.3°C/2.9°C
12/14
Sunday
Sunny
7.1°C/1.8°C
12/15
Monday
Sunny
8°C/2°C
12/16
Tuesday
Sunny
6.9°C/1.5°C
12/17
Wednesday
Sunny
7.3°C/2.6°C
12/18
Thursday
Sunny
8.7°C/2.6°C