Average data for 10 years
1 August
Thursday
+29°
+21°
2 August
Friday
+28°
+22°
3 August
Saturday
+27°
+21°
4 August
Sunday
+27°
+21°
5 August
Monday
+27°
+21°
6 August
Tuesday
+26°
+21°
7 August
Wednesday
+28°
+21°
8 August
Thursday
+27°
+22°
9 August
Friday
+26°
+22°
10 August
Saturday
+25°
+20°
11 August
Sunday
+26°
+20°
12 August
Monday
+26°
+21°
13 August
Tuesday
+25°
+20°
14 August
Wednesday
+26°
+19°
15 August
Thursday
+27°
+20°
16 August
Friday
+25°
+21°
17 August
Saturday
+27°
+20°
18 August
Sunday
+27°
+20°
19 August
Monday
+27°
+21°
20 August
Tuesday
+26°
+21°
21 August
Wednesday
+25°
+20°
22 August
Thursday
+25°
+19°
23 August
Friday
+27°
+19°
24 August
Saturday
+26°
+20°
25 August
Sunday
+25°
+20°
26 August
Monday
+25°
+20°
27 August
Tuesday
+25°
+19°
28 August
Wednesday
+25°
+20°
29 August
Thursday
+26°
+20°
30 August
Friday
+27°
+20°
31 August
Saturday
+27°
+22°
August in Naperville is the sunniest month of the year. In August, the weather in Naperville is typically warm. Average daily high temperature in August is about 26 degrees above zero. On average, Naperville has 19 sunny, 7 partly cloudy, and 5 rainy days in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Naperville.