Marshalltown Weather

US Geography / US Weather / Iowa Weather / Marshalltown

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Avg. High 26 32 44 58 71 81 84 82 74 62 46 30
Avg. Low 7 12 24 36 48 57 61 58 48 38 26 14
Mean 17 22 35 48 60 68 74 70 62 50 37 22
Avg. Precip. 0.8 in 1.1 in 2.4 in 3.3 in 4.0 in 4.8 in 4.3 in 4.6 in 3.7 in 2.5 in 1.7 in 1.3 in

Degrees in Fahrenheit

 

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