Last frost date in Des Plaines, Illinois
April 16
Average last frost in spring. In an early year (1 in 10) it's over by April 3; in a late year (1 in 10) it comes after May 1.
October 28
Average first frost in fall. 1 year in 10 it comes by October 15.
Source: NOAA U.S. Climate Normals 1991–2020, station Chicago Ohare International AP (USW00094846), 3.2 miles from Des Plaines, elevation 658 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Addison, Bellwood, Bensenville, Elk Grove Village, Elmhurst, Elmwood Park, Franklin Park, Melrose Park, Niles, Norridge, Northlake, Park Ridge, River Grove, Schiller Park and Wood Dale, so their frost dates are the same as Des Plaines's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 3 | Apr 16 | May 1 |
| First frost in fall | Oct 15 | Oct 28 | Nov 11 |
Frost-free days in an average year: 193
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 29 | Oct 18 |
| Frost (32°F) | Every year | Apr 16 | Oct 28 |
| Hard freeze (28°F) | Every year | Apr 5 | Nov 7 |
Nights at 32°F or colder in an average year: 121
What to plant now in Des Plaines
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 20 Des Plaines: April 16
- Fall planting calendar for an average first frost around October 30 Des Plaines: October 28
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 Illinois
- Arlington Heights 6 mi · last frost Apr 19
- Palatine 9 mi · last frost Apr 25
- Schaumburg 9 mi · last frost Apr 30
- Evanston 11 mi · last frost Apr 26
- Carol Stream 14 mi · last frost Apr 25
Updated