Wilton, WI
Climate overview — based on NOAA 1991-2020 normals from ONTARIO 3E, WI US.
Year-round temperatures (°F)
Avg high
Avg low
Best time to visit Wilton
Full guide →Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | °F | °F | °F | 1.28 in | 11.1 in | 7 |
| February | °F | °F | °F | 1.15 in | 8.3 in | 6 |
| March | °F | °F | °F | 1.99 in | 6.4 in | 7 |
| April | °F | °F | °F | 3.83 in | 1.7 in | 10 |
| May | °F | °F | °F | 4.45 in | — | 11 |
| June | °F | °F | °F | 5.11 in | — | 11 |
| July | °F | °F | °F | 4.68 in | — | 9 |
| August | °F | °F | °F | 4.59 in | — | 9 |
| September | °F | °F | °F | 4.24 in | — | 9 |
| October | °F | °F | °F | 2.93 in | 0.1 in | 9 |
| November | °F | °F | °F | 2.02 in | 2.0 in | 7 |
| December | °F | °F | °F | 1.56 in | 11.5 in | 8 |
Last spring / first fall frost
All-time recordsHottest, coldest, wettest
Planting calendarWhat to plant, and when