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