ROCKFORD GTR ROCKFORD AP, IL US
GHCN ID: USW00094822 · IL, US · 222.5 m elevation · Records 1951-2026 (75 years)
Primary station for Davis Junction, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 29.1°F | 14.5°F | 21.8°F | 1.60 in | 10.9 in |
| February | 33.4°F | 17.8°F | 25.6°F | 1.63 in | 8.5 in |
| March | 46.5°F | 28.1°F | 37.3°F | 2.40 in | 4.9 in |
| April | 59.7°F | 38.5°F | 49.1°F | 3.75 in | 0.9 in |
| May | 71.2°F | 49.5°F | 60.4°F | 4.18 in | — |
| June | 80.7°F | 59.6°F | 70.1°F | 5.23 in | — |
| July | 83.9°F | 63.6°F | 73.8°F | 3.81 in | — |
| August | 82.0°F | 61.8°F | 71.9°F | 4.19 in | — |
| September | 75.3°F | 53.5°F | 64.4°F | 3.62 in | — |
| October | 62.3°F | 41.8°F | 52.0°F | 2.63 in | 0.2 in |
| November | 47.1°F | 30.5°F | 38.8°F | 2.27 in | 2.3 in |
| December | 34.3°F | 20.2°F | 27.3°F | 1.93 in | 9.4 in |