Last frost date in Elkhorn, Wisconsin
April 28
Average last frost in spring. In an early year (1 in 10) it's over by April 12; in a late year (1 in 10) it comes after May 14.
October 14
Average first frost in fall. 1 year in 10 it comes by September 28.
Source: NOAA U.S. Climate Normals 1991–2020, station Delavan Wwtp (USC00472051), 6.8 miles from Elkhorn, elevation 882 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 12 | Apr 28 | May 14 |
| First frost in fall | Sept 28 | Oct 14 | Oct 26 |
Frost-free days in an average year: 168
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 10 | Oct 3 |
| Frost (32°F) | Every year | Apr 28 | Oct 14 |
| Hard freeze (28°F) | Every year | Apr 15 | Oct 25 |
Nights at 32°F or colder in an average year: 143
What to plant now in Elkhorn
- Spring planting calendar for an average last frost around April 30 Elkhorn: April 28
- Fall planting calendar for an average first frost around October 10 Elkhorn: October 14
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
- Burlington 13 mi · last frost May 5
- Whitewater 15 mi · last frost May 2
- Salem Lakes 23 mi · last frost Apr 30
- Fort Atkinson 23 mi · last frost Apr 28
- Janesville 24 mi · last frost Apr 26
Updated