CHICAGO PALWAUKEE AP, IL US
GHCN ID: USW00004838 · IL, US · 193.9 m elevation · Records 1996-2026 (30 years)
Primary station for Arlington Heights, IL.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 31.9°F | 18.4°F | 25.1°F | 1.33 in | — |
| February | 35.8°F | 21.2°F | 28.5°F | 1.28 in | — |
| March | 46.7°F | 30.2°F | 38.4°F | 1.84 in | — |
| April | 58.1°F | 39.3°F | 48.7°F | 3.31 in | — |
| May | 69.5°F | 49.7°F | 59.6°F | 3.76 in | — |
| June | 79.5°F | 60.1°F | 69.8°F | 3.97 in | — |
| July | 84.0°F | 65.8°F | 74.9°F | 3.15 in | — |
| August | 82.0°F | 64.7°F | 73.4°F | 3.70 in | — |
| September | 75.3°F | 56.3°F | 65.8°F | 3.04 in | — |
| October | 62.5°F | 44.5°F | 53.5°F | 3.11 in | — |
| November | 48.5°F | 33.4°F | 40.9°F | 2.15 in | — |
| December | 36.9°F | 24.0°F | 30.4°F | 1.64 in | — |