Climate in Sankt Gallen: average temperature by month
In Sankt Gallen the warmest month is August, with 11.3 °C on average in the afternoon; the coolest is January, with -3.5 °C.
The average of the weather stations Saentis (19 km) and Zuerich/Fluntern (61 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -3.5 °C | -3.8 °C – -3.0 °C |
| February | -3.1 °C | -3.4 °C – -2.7 °C |
| March | -1.6 °C | -2.8 °C – -0.4 °C |
| April | 1.0 °C | -0.3 °C – 2.7 °C |
| May | 4.9 °C | 2.9 °C – 7.1 °C |
| June | 9.1 °C | 7.2 °C – 10.8 °C |
| July | 11.0 °C | 10.4 °C – 11.8 °C |
| August | 11.3 °C | 9.9 °C – 11.9 °C |
| September | 8.1 °C | 6.0 °C – 9.8 °C |
| October | 4.9 °C | 3.2 °C – 5.9 °C |
| November | 0.2 °C | -1.8 °C – 3.0 °C |
| December | -2.2 °C | -2.9 °C – -1.9 °C |