Last frost date in Menomonee Falls, Wisconsin
May 6
Average last frost in spring. In an early year (1 in 10) it's over by April 22; in a late year (1 in 10) it comes after May 25.
October 8
Average first frost in fall. 1 year in 10 it comes by September 26.
Source: NOAA U.S. Climate Normals 1991–2020, station Germantown (USC00473058), 5.5 miles from Menomonee Falls, elevation 850 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Germantown and Mequon, so their frost dates are the same as Menomonee Falls's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 22 | May 6 | May 25 |
| First frost in fall | Sept 26 | Oct 8 | Oct 24 |
Frost-free days in an average year: 154
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 19 | Sept 29 |
| Frost (32°F) | Every year | May 6 | Oct 8 |
| Hard freeze (28°F) | Every year | Apr 24 | Oct 20 |
Nights at 32°F or colder in an average year: 156
What to plant now in Menomonee Falls
- Spring planting calendar for an average last frost around May 10 Menomonee Falls: May 6
- Fall planting calendar for an average first frost around October 10 Menomonee Falls: October 8
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Wisconsin
- Sussex 6 mi · last frost Apr 30
- Brookfield 7 mi · last frost Apr 30
- Milwaukee 10 mi · last frost Apr 26
- West Allis 12 mi · last frost Apr 26
- Cedarburg 12 mi · last frost Apr 23