Last frost date in Quincy, Illinois
April 8
Average last frost in spring. In an early year (1 in 10) it's over by March 24; in a late year (1 in 10) it comes after April 23.
October 30
Average first frost in fall. 1 year in 10 it comes by October 17.
Source: NOAA U.S. Climate Normals 1991–2020, station Quincy Dam 21 (USC00117077), 3.3 miles from Quincy, elevation 483 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 24 | Apr 8 | Apr 23 |
| First frost in fall | Oct 17 | Oct 30 | Nov 10 |
Frost-free days in an average year: 204
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 19 | Oct 20 |
| Frost (32°F) | Every year | Apr 8 | Oct 30 |
| Hard freeze (28°F) | Every year | Mar 30 | Nov 8 |
Nights at 32°F or colder in an average year: 112
What to plant now in Quincy
- 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 10 Quincy: April 8
- Fall planting calendar for an average first frost around October 30 Quincy: October 30
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
- Macomb 52 mi · last frost Apr 17
- Jacksonville 62 mi · last frost Apr 17
- Canton 83 mi · last frost Apr 17
- Galesburg 88 mi · last frost Apr 20
- Springfield 93 mi · last frost Apr 15
Updated