Rock Falls Weather

US Geography / US Weather / Illinois Weather / Rock Falls

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High 27 32 45 60 71 81 84 82 75 64 47 32
Avg. Low 8 14 26 37 48 58 62 58 51 38 28 15
Mean 18 24 36 48 60 70 74 71 64 52 38 24
Avg. Precip. 1.4 in 1.1 in 2.5 in 3.5 in 4.0 in 4.5 in 3.6 in 4.0 in 3.8 in 2.7 in 2.5 in 2.1 in

Degrees in Fahrenheit

 

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