Mason City Weather

US Geography / US Weather / Iowa Weather / Mason City

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High 22 27 40 57 70 78 84 80 72 60 42 26
Avg. Low 4 8 22 35 46 56 61 58 48 37 24 10
Mean 14 18 31 46 58 68 74 70 61 48 34 18
Avg. Precip. 0.9 in 0.9 in 2.0 in 3.0 in 4.1 in 4.5 in 4.3 in 4.1 in 3.8 in 2.4 in 1.6 in 1.3 in

Degrees in Fahrenheit

 

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