WALNUT, IL US
GHCN ID: USC00118916 · IL, US · 204.5 m elevation · Records 1893-2026 (133 years)
Primary station for Deer Grove, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 29.3°F | 12.9°F | 21.1°F | 1.52 in | 12.7 in |
| February | 33.9°F | 17.0°F | 25.4°F | 1.73 in | 8.4 in |
| March | 46.9°F | 28.0°F | 37.5°F | 2.22 in | 4.7 in |
| April | 60.5°F | 38.6°F | 49.5°F | 3.35 in | 0.6 in |
| May | 71.7°F | 50.6°F | 61.1°F | 4.63 in | — |
| June | 80.6°F | 60.3°F | 70.5°F | 4.93 in | — |
| July | 83.3°F | 63.4°F | 73.4°F | 3.94 in | — |
| August | 81.5°F | 61.1°F | 71.3°F | 3.83 in | — |
| September | 76.0°F | 52.9°F | 64.4°F | 3.40 in | — |
| October | 63.2°F | 41.0°F | 52.1°F | 2.97 in | 0.2 in |
| November | 47.7°F | 29.7°F | 38.7°F | 2.33 in | 2.0 in |
| December | 35.0°F | 19.1°F | 27.1°F | 1.99 in | 7.3 in |