Toronto Climate by Month – Rainy Season, Temperature Averages
Summary
The climate figures for Toronto are averaged from 2016–2025 observations (10 years). Annual rainfall averages about 891 mm.
The rainy season runs –. The wettest month is April with 96.9 mm across 13 rain days; the driest is September at just 56.9 mm.
The hottest month is July (average high 26.6°C) and the coolest is January (-0.1°C).
The most comfortable time to visit Toronto is September — less rain and milder heat.
Monthly averages · 2016–2025
| Monthly averages | High | Low | Rainfall | Rainy season |
|---|---|---|---|---|
| January | -0.1° | -6.7° | 68 mm | 10 |
| February | 1.4° | -6.8° | 65 mm | 10 |
| March | 5.3° | -2.8° | 73 mm | 11 |
| April | 10.5° | 2.0° | 97 mm | 13 |
| May | 17.4° | 8.4° | 78 mm | 11 |
| June | 23.4° | 14.6° | 83 mm | 10 |
| July | 26.6° | 18.0° | 74 mm | 11 |
| August | 25.7° | 17.6° | 72 mm | 10 |
| September | 22.2° | 14.4° | 57 mm | 9 |
| October | 15.4° | 8.3° | 87 mm | 12 |
| November | 7.8° | 1.3° | 62 mm | 10 |
| December | 2.5° | -3.5° | 77 mm | 12 |