ROSICLARE 5NW, IL US
GHCN ID: USC00117487 · IL, US · 121.9 m elevation · Records 1968-2025 (57 years)
Primary station for Cave-In-Rock, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 41.2°F | 22.4°F | 31.8°F | 3.90 in | 0.9 in |
| February | 46.2°F | 25.1°F | 35.7°F | 3.71 in | 1.4 in |
| March | 56.3°F | 33.3°F | 44.8°F | 5.08 in | 0.2 in |
| April | 67.6°F | 42.6°F | 55.1°F | 5.12 in | — |
| May | 75.2°F | 52.6°F | 63.9°F | 5.35 in | — |
| June | 83.0°F | 61.5°F | 72.3°F | 4.61 in | — |
| July | 86.4°F | 65.2°F | 75.8°F | 4.40 in | — |
| August | 86.1°F | 63.0°F | 74.5°F | 3.24 in | — |
| September | 80.4°F | 55.1°F | 67.8°F | 3.24 in | — |
| October | 69.2°F | 42.9°F | 56.0°F | 3.57 in | 0.2 in |
| November | 55.9°F | 33.4°F | 44.6°F | 4.23 in | — |
| December | 45.2°F | 26.3°F | 35.8°F | 4.44 in | 0.6 in |