Mattoon Weather

US Geography / US Weather / Illinois Weather / Mattoon

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High 34 38 50 64 74 84 86 84 78 66 51 38
Avg. Low 16 20 31 41 52 61 65 62 55 44 34 22
Mean 25 30 41 54 64 74 76 74 67 55 44 30
Avg. Precip. 1.9 in 2.0 in 3.3 in 3.9 in 4.0 in 3.8 in 4.3 in 3.1 in 3.3 in 2.7 in 3.3 in 3.4 in

Degrees in Fahrenheit

 

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