GRAYVILLE, IL US
GHCN ID: USC00113612 · IL, US · 132.6 m elevation · Records 1897-2013 (116 years)
Primary station for Grayville, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 41.2°F | 23.6°F | 32.4°F | 3.22 in | 2.3 in |
| February | 45.0°F | 25.8°F | 35.4°F | 3.80 in | 4.6 in |
| March | 55.7°F | 34.9°F | 45.3°F | 4.59 in | 0.2 in |
| April | 67.6°F | 44.8°F | 56.2°F | 4.52 in | — |
| May | 77.5°F | 55.2°F | 66.3°F | 5.75 in | — |
| June | 85.7°F | 64.5°F | 75.1°F | 4.46 in | — |
| July | 88.6°F | 67.6°F | 78.1°F | 5.28 in | — |
| August | 87.6°F | 64.8°F | 76.2°F | 3.64 in | — |
| September | 82.2°F | 57.3°F | 69.8°F | 3.72 in | — |
| October | 70.1°F | 45.5°F | 57.8°F | 3.90 in | — |
| November | 56.3°F | 35.7°F | 46.0°F | 3.35 in | — |
| December | 44.8°F | 27.6°F | 36.2°F | 3.77 in | 4.7 in |