Zürich does not experience extreme weather. Winter, and the snow season, starts in November and continues through to April. Temperatures range between 5°C (41°F) and -5°C (23°F) in winter. Rain starts falling in April and continues across the summer period, which officially starts in June and continues through to September. Zürich rarely gets to 30°C (86°F) in summer and rarely experiences uncomfortable humidity.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | -3 - 2 | 74 | 2 | |
| Feb | -2 - 5 | 69 | 3 | |
| Mar | 1 - 10 | 64 | 5 | |
| Apr | 4 - 15 | 76 | 6 | |
| May | 8 - 19 | 101 | 7 | |
| Jun | 12 - 23 | 129 | 7 | |
| Jul | 14 - 25 | 136 | 8 | |
| Aug | 13 - 24 | 124 | 7 | |
| Sep | 11 - 20 | 102 | 6 | |
| Oct | 6 - 14 | 77 | 3 | |
| Nov | 2 - 7 | 73 | 2 | |
| Dec | -2 - 3 | 64 | 1 |