ALTON - MELVIN PRICE L&D, IL US
GHCN ID: USC00110137 · IL, US · 123.4 m elevation · Records 1892-2026 (134 years)
Primary station for Alton, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 39.0°F | 21.7°F | 30.3°F | 2.53 in | — |
| February | 43.7°F | 25.2°F | 34.5°F | 2.52 in | — |
| March | 53.5°F | 34.7°F | 44.1°F | 3.46 in | — |
| April | 66.1°F | 45.2°F | 55.6°F | 4.92 in | — |
| May | 75.0°F | 56.1°F | 65.6°F | 5.46 in | — |
| June | 83.7°F | 65.6°F | 74.6°F | 3.40 in | — |
| July | 87.3°F | 69.3°F | 78.3°F | 3.95 in | — |
| August | 86.0°F | 67.3°F | 76.6°F | 3.30 in | — |
| September | 80.1°F | 59.8°F | 70.0°F | 3.38 in | — |
| October | 67.9°F | 48.0°F | 57.9°F | 2.93 in | — |
| November | 54.3°F | 36.5°F | 45.4°F | 3.43 in | — |
| December | 43.5°F | 27.1°F | 35.3°F | 2.59 in | — |