Weather history for Rock Falls, Illinois, United States

Aug 21

This Day in History

Weather in Rock Falls on August 21

2014

Weather in Rock Falls on 21 in 2014. Clear/Sunny
  • 88° F
  • Wind: WSW 8 mph
  • Humidity: 52%

2013

Weather in Rock Falls on 21 in 2012. Clear/Sunny
  • 88° F
  • Wind: SW 7 mph
  • Humidity: 82%

2012

Weather in Rock Falls on 21 in 2012. Clear/Sunny
  • 90° F
  • Wind: E 5 mph
  • Humidity: 38%

2011

Weather in Rock Falls on 21 in 2012. Clear/Sunny
  • 81° F
  • Wind: E 2 mph
  • Humidity: 57%
Weather in Rock Falls today

Rock Falls average weather by month
Month Temperature °F Average Rainfall (mm) Average snow days Average Fog days
Average Absolute Daily Monthly
max min max min
January
32.2
15.3
63.0
-24.2
1.2
37
15
15
February
35.8
18.0
70.0
-24.2
1.3
36.7
10
13
March
48.0
26.6
80.1
-11.0
1.7
51.8
8
13
April
62.1
37.6
91.0
14.9
2.8
84.1
3
10
May
72.7
47.8
93.0
26.1
2.9
89.4
0
12
June
81.9
58.3
99.0
36.9
4.2
126.9
0
11
July
84.7
62.4
100.0
48.9
3.1
96
0
12
August
83.1
61.0
98.1
43.9
3.7
113.8
0
15
September
76.6
52.0
95.0
27.9
2.9
86.8
0
13
October
64.9
41.0
90.0
18.0
1.6
50.7
1
10
November
49.1
30.0
75.9
0.9
2
60.1
7
12
December
35.2
18.1
66.9
-22.0
1.4
44.2
14
16

year temperature in average


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