Climate of St. Gallen, Switzerland
Area-weighted average across St. Gallen. For where people actually live and travel, see the cities below.
St. Gallen, a subdivision of Switzerland, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from -1.1°C / 30°F in January to 15.5°C / 59.9°F in July, with rainfall from 84 mm / 3.3 in to 170 mm / 6.7 in depending on the season (1422 mm / 56 in total across the year). See the city listed below for point-value climate at specific locations — these often differ from the area-weighted average, especially in geographically diverse subdivisions.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -1.1°C30°F | 84 mm3.3″ | Snowy |
| February | -0.5°C31.1°F | 86 mm3.4″ | Snowy |
| March | 2.6°C36.7°F | 91 mm3.6″ | — |
| April | 5.5°C41.9°F | 110 mm4.3″ | — |
| May | 10.3°C50.5°F | 127 mm5″ | — |
| June | 13.2°C55.8°F | 160 mm6.3″ | — |
| July | 15.5°C59.9°F | 170 mm6.7″ | — |
| August | 15.4°C59.7°F | 159 mm6.3″ | — |
| September | 12°C53.6°F | 125 mm4.9″ | — |
| October | 7.8°C46°F | 101 mm4″ | — |
| November | 2.6°C36.7°F | 111 mm4.4″ | — |
| December | -0.1°C31.8°F | 98 mm3.9″ | Snowy |
Frequently asked questions
What is the best time to visit St. Gallen?
St. Gallen, Switzerland does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 15.5°C / 59.9°F, and the driest is January at 84 mm / 3.3 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of St. Gallen?
St. Gallen, Switzerland has area-weighted monthly average temperatures ranging from -1.1°C / 30°F in January to 15.5°C / 59.9°F in July. Annual rainfall averages about 1422 mm / 56 in, with the wettest month being July (170 mm / 6.7 in) and the driest January (84 mm / 3.3 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in St. Gallen?
The hottest month in St. Gallen is July, with an area-wide average temperature of 15.5°C / 59.9°F.
What is the coldest month in St. Gallen?
The coldest month in St. Gallen is January, with an area-wide average temperature of -1.1°C / 30°F.
When does it rain most in St. Gallen?
The wettest month in St. Gallen is July, averaging about 170 mm / 6.7 in of rainfall. The driest is January with about 84 mm / 3.3 in.