ALTONA, IL US
GHCN ID: USC00110140 · IL, US · 233.2 m elevation · Records 2005-2025 (20 years)
Primary station for Altona, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 29.9°F | 13.0°F | 21.4°F | 1.82 in | — |
| February | 35.3°F | 15.8°F | 25.5°F | 2.07 in | — |
| March | 48.1°F | 26.5°F | 37.3°F | 2.58 in | — |
| April | 61.5°F | 36.9°F | 49.2°F | 4.00 in | — |
| May | 72.0°F | 49.2°F | 60.6°F | 5.21 in | — |
| June | 80.5°F | 58.9°F | 69.7°F | 4.72 in | — |
| July | 83.4°F | 61.8°F | 72.6°F | 3.98 in | — |
| August | 81.9°F | 59.3°F | 70.6°F | 3.76 in | — |
| September | 76.3°F | 51.6°F | 64.0°F | 3.81 in | — |
| October | 63.9°F | 39.8°F | 51.9°F | 2.77 in | — |
| November | 48.5°F | 28.1°F | 38.3°F | 2.56 in | — |
| December | 35.4°F | 18.7°F | 27.1°F | 2.10 in | — |