About Wattwil, Saint Gallen's Climate & Weather History

Wattwil is a city of approximately 8,100 people in Saint Gallen, Switzerland. Located in the Europe/Zurich time zone at 47.3°N latitude.

In 2025, Wattwil recorded an average annual temperature of 49°F. The hottest temperatures reached 88°F in August; the coolest were 12°F in January. Total precipitation for the year was 63 inches, with the wettest month being July. Snowfall for the year totaled approximately 13 inches.