Last frost date in Ionia, Michigan
May 3
Average last frost in spring. In an early year (1 in 10) it's over by April 17; in a late year (1 in 10) it comes after May 21.
October 12
Average first frost in fall. 1 year in 10 it comes by September 29.
Source: NOAA U.S. Climate Normals 1991–2020, station Ionia 2SSW (USC00204078), 1.6 miles from Ionia, elevation 805 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 17 | May 3 | May 21 |
| First frost in fall | Sept 29 | Oct 12 | Oct 27 |
Frost-free days in an average year: 161
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 16 | Oct 1 |
| Frost (32°F) | Every year | May 3 | Oct 12 |
| Hard freeze (28°F) | Every year | Apr 22 | Oct 27 |
Nights at 32°F or colder in an average year: 148
What to plant now in Ionia
- Spring planting calendar for an average last frost around April 30 Ionia: May 3
- Fall planting calendar for an average first frost around October 10 Ionia: October 12
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 Michigan
- Kentwood 27 mi · last frost Apr 30
- Grand Rapids 29 mi · last frost May 6
- Lansing 32 mi · last frost May 1
- East Lansing 34 mi · last frost Apr 28
- Mount Pleasant 45 mi · last frost Apr 30
Updated