DENISON, IA US
GHCN ID: USC00132171 · IA, US · 427.0 m elevation · Records 1893-2026 (133 years)
Primary station for Arion, IA.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 27.4°F | 9.8°F | 18.6°F | 0.74 in | 8.1 in |
| February | 32.1°F | 13.7°F | 22.9°F | 0.98 in | 9.2 in |
| March | 45.3°F | 24.8°F | 35.1°F | 1.88 in | 4.7 in |
| April | 58.4°F | 35.6°F | 47.0°F | 3.38 in | 1.6 in |
| May | 69.5°F | 48.5°F | 59.0°F | 4.62 in | 0.1 in |
| June | 79.7°F | 59.2°F | 69.4°F | 4.92 in | — |
| July | 83.1°F | 63.0°F | 73.1°F | 4.13 in | — |
| August | 81.0°F | 60.6°F | 70.8°F | 4.43 in | — |
| September | 74.8°F | 51.7°F | 63.2°F | 3.27 in | — |
| October | 61.5°F | 39.3°F | 50.4°F | 2.64 in | 0.5 in |
| November | 45.5°F | 26.1°F | 35.8°F | 1.45 in | 2.4 in |
| December | 32.4°F | 15.9°F | 24.1°F | 1.20 in | 7.9 in |