Generally the weather in Toronto in August is 19. You can expect highs around 24 degrees and a low of 17. The table below has further info:
| Month | Degrees Celsius |
|---|---|
| Temperature | 19 |
| High Temperature | 24 |
| Low Temperature | 17 |
| Sunshine Per Day | 11 |
Useful Links: Toronto Weather: Average Weather & Yearly Climate