SIDELL 4N, IL US
GHCN ID: USC00117952 · IL, US · 204.8 m elevation · Records 1913-2026 (113 years)
Primary station for Allerton, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 32.6°F | 17.2°F | 24.9°F | 2.35 in | 7.1 in |
| February | 37.1°F | 20.4°F | 28.8°F | 2.00 in | 6.7 in |
| March | 49.2°F | 30.1°F | 39.7°F | 2.77 in | 2.4 in |
| April | 62.3°F | 40.6°F | 51.5°F | 4.15 in | 0.4 in |
| May | 73.3°F | 52.8°F | 63.1°F | 4.66 in | — |
| June | 82.0°F | 62.2°F | 72.1°F | 4.61 in | — |
| July | 84.1°F | 64.2°F | 74.1°F | 4.72 in | — |
| August | 83.2°F | 61.5°F | 72.3°F | 3.25 in | — |
| September | 78.1°F | 54.0°F | 66.1°F | 2.73 in | — |
| October | 65.4°F | 42.8°F | 54.1°F | 3.33 in | — |
| November | 50.0°F | 32.2°F | 41.1°F | 3.34 in | 1.1 in |
| December | 37.6°F | 23.4°F | 30.5°F | 2.48 in | 6.0 in |