DES MOINES WSFO-JOHNSTON, IA US
GHCN ID: USC00132209 · IA, US · 292.3 m elevation · Records 1995-2026 (31 years)
Primary station for Granger, IA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 30.0°F | 13.1°F | 21.5°F | 1.01 in | 9.7 in |
| February | 35.1°F | 17.3°F | 26.2°F | 1.25 in | 10.5 in |
| March | 48.6°F | 28.8°F | 38.7°F | 2.15 in | 5.0 in |
| April | 61.5°F | 40.1°F | 50.8°F | 4.00 in | 1.6 in |
| May | 71.8°F | 51.8°F | 61.8°F | 4.84 in | 0.2 in |
| June | 80.9°F | 62.0°F | 71.5°F | 5.35 in | — |
| July | 84.7°F | 65.6°F | 75.2°F | 4.27 in | — |
| August | 82.9°F | 63.6°F | 73.2°F | 3.97 in | — |
| September | 76.2°F | 55.1°F | 65.6°F | 3.40 in | — |
| October | 63.1°F | 42.5°F | 52.8°F | 2.51 in | 0.5 in |
| November | 47.7°F | 29.9°F | 38.8°F | 1.95 in | 2.2 in |
| December | 35.2°F | 19.0°F | 27.1°F | 1.46 in | 8.3 in |