MARSHALLTOWN, IA US
GHCN ID: USC00135198 · IA, US · 265.2 m elevation · Records 1893-2026 (133 years)
Primary station for Haverhill, IA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 27.5°F | 9.0°F | 18.2°F | 0.97 in | 6.3 in |
| February | 32.3°F | 13.0°F | 22.6°F | 1.16 in | 5.3 in |
| March | 45.4°F | 24.9°F | 35.1°F | 2.10 in | 3.3 in |
| April | 59.5°F | 35.9°F | 47.7°F | 3.82 in | 0.7 in |
| May | 70.7°F | 48.5°F | 59.6°F | 4.94 in | — |
| June | 80.4°F | 59.2°F | 69.8°F | 5.93 in | — |
| July | 83.5°F | 62.7°F | 73.1°F | 4.58 in | — |
| August | 81.5°F | 59.7°F | 70.6°F | 4.37 in | — |
| September | 75.4°F | 50.6°F | 63.0°F | 3.85 in | — |
| October | 62.2°F | 38.6°F | 50.4°F | 2.66 in | 0.2 in |
| November | 46.5°F | 26.3°F | 36.4°F | 2.10 in | 1.7 in |
| December | 33.5°F | 15.6°F | 24.5°F | 1.39 in | 7.8 in |