LACON, IL US
GHCN ID: USC00114805 · IL, US · 139.6 m elevation · Records 1950-2026 (76 years)
Primary station for Henry, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 33.8°F | 18.0°F | 25.9°F | 2.07 in | 8.1 in |
| February | 38.3°F | 21.5°F | 29.9°F | 2.06 in | 6.2 in |
| March | 51.4°F | 31.3°F | 41.4°F | 2.65 in | 3.2 in |
| April | 64.5°F | 41.4°F | 52.9°F | 4.00 in | 0.7 in |
| May | 75.0°F | 51.7°F | 63.3°F | 4.76 in | — |
| June | 84.4°F | 61.2°F | 72.8°F | 4.29 in | — |
| July | 87.0°F | 65.1°F | 76.0°F | 3.97 in | — |
| August | 85.6°F | 63.0°F | 74.3°F | 3.33 in | — |
| September | 79.6°F | 55.1°F | 67.4°F | 3.30 in | — |
| October | 66.6°F | 43.5°F | 55.0°F | 3.16 in | 0.1 in |
| November | 51.2°F | 32.6°F | 41.9°F | 2.63 in | 1.1 in |
| December | 38.3°F | 23.2°F | 30.8°F | 2.17 in | 5.2 in |