Sankt Gallen Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to very cold in Sankt Gallen. Average maximum daytime temperatures range from a comfortable 22°C (72°F) in August, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like January.

At night, you can expect temperatures ranging from 11°C (52°F) in August to around -7°C (19°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Sankt Gallen has a relatively rain/snowy climate with high precipitation levels, averaging 1505 mm (59 in) of rain/snowfall annually. While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 180 mm (7.1 in) of precipitation, spread over 17 rainy days.

In contrast, the driest month November experiences a drier climate, with about 90 mm (3.5 in) of snow/rainfall spread across 13 snowy/rainy days. For more details, please visit our Sankt Gallen Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Sankt Gallen. While July receives considerable daily sunshine with up to 6.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.4 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Sankt Gallen.

The city experiences its highest humidity in December, reaching 80%. In March, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year