GRAFTON WWTP, WI US
GHCN ID: USC00473198 · WI, US · 225.9 m elevation · Records 2009-2026 (17 years)
Primary station for Cedarburg, WI.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 30.0°F | 17.0°F | 23.5°F | 1.58 in | — |
| February | 33.1°F | 18.5°F | 25.8°F | 1.73 in | — |
| March | 42.7°F | 26.4°F | 34.5°F | 2.07 in | — |
| April | 54.1°F | 36.2°F | 45.2°F | 3.94 in | — |
| May | 65.7°F | 46.2°F | 55.9°F | 3.99 in | — |
| June | 75.5°F | 56.0°F | 65.7°F | 4.50 in | — |
| July | 81.1°F | 62.0°F | 71.5°F | 3.61 in | — |
| August | 79.8°F | 60.7°F | 70.2°F | 3.77 in | — |
| September | 72.5°F | 53.9°F | 63.2°F | 3.18 in | — |
| October | 60.5°F | 42.6°F | 51.5°F | 2.98 in | — |
| November | 46.4°F | 31.2°F | 38.8°F | 2.15 in | — |
| December | 35.2°F | 21.4°F | 28.3°F | 2.01 in | — |