HARLAN, IA US
GHCN ID: USC00133632 · IA, US · 387.1 m elevation · Records 1899-2016 (117 years)
Primary station for Avoca, IA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 30.7°F | 10.3°F | 20.5°F | 0.90 in | 7.6 in |
| February | 35.7°F | 13.7°F | 24.7°F | 0.98 in | 7.6 in |
| March | 49.9°F | 25.3°F | 37.6°F | 2.05 in | 4.0 in |
| April | 63.3°F | 36.4°F | 49.8°F | 3.34 in | 1.5 in |
| May | 74.1°F | 49.3°F | 61.7°F | 4.74 in | — |
| June | 83.6°F | 59.9°F | 71.7°F | 5.17 in | — |
| July | 85.9°F | 63.6°F | 74.7°F | 3.72 in | — |
| August | 84.0°F | 60.8°F | 72.4°F | 4.32 in | — |
| September | 78.5°F | 51.7°F | 65.1°F | 4.00 in | — |
| October | 65.4°F | 39.1°F | 52.2°F | 2.37 in | 0.9 in |
| November | 49.3°F | 25.9°F | 37.6°F | 1.43 in | 2.2 in |
| December | 35.9°F | 15.7°F | 25.8°F | 1.31 in | 6.7 in |