WINCHESTER, IL US
GHCN ID: USC00119331 · IL, US · 167.9 m elevation · Records 1897-2015 (118 years)
Primary station for Alsey, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 35.7°F | 17.8°F | 26.7°F | 2.26 in | — |
| February | 41.1°F | 21.3°F | 31.2°F | 2.14 in | — |
| March | 52.5°F | 30.5°F | 41.5°F | 3.06 in | — |
| April | 65.1°F | 41.0°F | 53.0°F | 4.40 in | — |
| May | 74.9°F | 52.1°F | 63.5°F | 4.81 in | — |
| June | 83.6°F | 61.8°F | 72.7°F | 4.99 in | — |
| July | 86.8°F | 65.1°F | 76.0°F | 3.97 in | — |
| August | 86.1°F | 62.8°F | 74.5°F | 3.47 in | — |
| September | 80.1°F | 53.8°F | 66.9°F | 3.03 in | — |
| October | 67.8°F | 42.5°F | 55.1°F | 3.09 in | — |
| November | 52.7°F | 31.6°F | 42.1°F | 2.75 in | — |
| December | 40.9°F | 23.3°F | 32.1°F | 2.43 in | — |