Rock Falls, IL Weather Data
Rock Falls, IL Current Weather Data
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Rock Falls, IL Historical Weather Trends
*Historical weather data collected from Milan Township, IL
Rock Falls, IL
Rock Falls, IL area Highlights
Rock Falls, IL Chance of Sunshine
Month
% Sunny
Clear Days
Partly Cloudy Days
Cloudy Days
January
48.39%
8
7
16
February
46.43%
7
6
15
March
45.16%
6
8
17
April
51.61%
7
9
15
May
54.84%
8
9
14
June
60.00%
7
11
12
July
70.97%
10
12
9
August
67.74%
10
11
10
September
64.52%
12
8
11
October
62.50%
12
8
12
November
46.67%
7
7
16
December
41.94%
7
6
18
Rock Falls, IL Historical Temperature
Month
Average
Max Average
Min Average
January
20.82°
29.17°
12.43°
February
24.92°
32.58°
17.2°
March
38.88°
48.12°
29.62°
April
49.85°
60.5°
39.15°
May
61.4°
72.97°
49.76°
June
70.37°
81.01°
59.69°
July
74.77°
85.15°
64.37°
August
72.08°
82.48°
61.66°
September
64.35°
75.72°
52.93°
October
52.88°
63.58°
42.1°
November
40.53°
49.53°
31.48°
December
25.83°
32.95°
18.68°
Rock Falls, IL Rainfall and Snowfall Average
Month
Average Rainfall
Average Snowfall
January
1.27 Inches
9.16 Inches
February
1.96 Inches
14.08 Inches
March
2.89 Inches
4.2 Inches
April
4.74 Inches
0.44 Inches
May
3.08 Inches
0 Inches
June
4.21 Inches
0 Inches
July
4.42 Inches
0 Inches
August
5.25 Inches
0 Inches
September
3.11 Inches
0 Inches
October
2.69 Inches
0 Inches
November
1.53 Inches
0.93 Inches
December
2.76 Inches
13.93 Inches
Rock Falls, IL Energy Demand
January
43.98
0
43.98
February
39.9
0
39.9
March
26.05
0.2
26.25
April
15.12
0.17
15.29
May
5.54
2.17
7.71
June
0.56
6.17
6.73
July
0.17
9.9
10.07
August
0.2
7.58
7.78
September
3.2
2.72
5.92
October
12.5
0.53
13.03
November
24.22
0
24.22
December
40.6
0
40.6
