Average data for 10 years
1 August
Thursday
+28°
+23°
2 August
Friday
+28°
+22°
3 August
Saturday
+28°
+22°
4 August
Sunday
+28°
+21°
5 August
Monday
+26°
+20°
6 August
Tuesday
+27°
+21°
7 August
Wednesday
+27°
+21°
8 August
Thursday
+27°
+20°
9 August
Friday
+27°
+21°
10 August
Saturday
+28°
+21°
11 August
Sunday
+28°
+22°
12 August
Monday
+29°
+22°
13 August
Tuesday
+29°
+23°
14 August
Wednesday
+29°
+22°
15 August
Thursday
+29°
+23°
16 August
Friday
+29°
+24°
17 August
Saturday
+29°
+23°
18 August
Sunday
+27°
+21°
19 August
Monday
+27°
+21°
20 August
Tuesday
+27°
+22°
21 August
Wednesday
+28°
+22°
22 August
Thursday
+28°
+22°
23 August
Friday
+28°
+23°
24 August
Saturday
+29°
+25°
25 August
Sunday
+30°
+24°
26 August
Monday
+30°
+24°
27 August
Tuesday
+30°
+24°
28 August
Wednesday
+30°
+25°
29 August
Thursday
+30°
+24°
30 August
Friday
+30°
+24°
31 August
Saturday
+29°
+24°
August in Ontario is the hottest month of the year. In August, the weather in Ontario is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Ontario has 31 sunny days in August.