Compared to the rest of Canada, Toronto has a relatively mild weather pattern. Summer temperatures average 20-23°C (68-73°F) and can get up to 30°C (86°F). Autumn and spring tend toward clear, warm sunny days and winter, though the temperature can plummet quickly, is on average a manageable -6°C (21°F). Big snowstorms happen two or three times per winter.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | -9 - -1 | 69 | 2 | |
| Feb | -9 - -1 | 61 | 4 | |
| Mar | -5 - 3 | 66 | 4 | |
| Apr | 1 - 10 | 64 | 6 | |
| May | 7 - 17 | 74 | 7 | |
| Jun | 12 - 23 | 69 | 9 | |
| Jul | 15 - 26 | 74 | 9 | |
| Aug | 14 - 25 | 69 | 8 | |
| Sep | 11 - 21 | 74 | 7 | |
| Oct | 4 - 13 | 61 | 5 | |
| Nov | -1 - 6 | 71 | 3 | |
| Dec | -6 - 1 | 66 | 2 |