Weather in Toronto in August
August in Toronto is mild with average temperatures around 21.6°C (70.9°F). Moderate rainfall of 59mm spread over 13 days.
Data Note: Temperature values are 2001–2020 satellite/reanalysis grid averages from NASA POWER and may differ from airport station normals by a few degrees.
Temperature
High
24.6°C
76.3°F
Low
18.5°C
65.3°F
Precipitation
59 mm
2.3 inches
~13 rainy days
Conditions
Humidity
72%
Comparison to Adjacent Months
August is 3.3°C warmer than September.