Weather in Toronto in August
In an average August, Toronto sees a daily high around 25°C and a low around 18°C, based on 1980–2026 of local climate records.
| Average high | 25°C |
|---|---|
| Typical high range | 21°C to 28°C |
| Average low | 18°C |
| Typical low range | 14°C to 21°C |
| Average daily precipitation | 3 mm |
August records
The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
33°C
2001-08-08
Lowest
16°C
1982-08-28
Low
Highest
26°C
2006-08-01
Lowest
9°C
1986-08-28
Feels-like
Highest
36°C
2006-08-01
Lowest
6°C
1982-08-29
Humidity
Highest
21.3 g/m³
1988-08-04
Lowest
6.3 g/m³
1982-08-28
Wind
Highest
40 km/h
1982-08-25
Lowest
6 km/h
2012-08-14
Gust
Highest
92 km/h
1986-08-27
Lowest
15 km/h
1981-08-27
Precip
Wettest
133 mm
2018
Driest
17 mm
2006
See Toronto's live weather grade →
Visiting Toronto in August? See how its comfort stacks up against where you live.
Compare Toronto with your city →