Last frost date in Antioch, Illinois
April 23
Average last frost in spring. In an early year (1 in 10) it's over by April 9; in a late year (1 in 10) it comes after May 9.
October 21
Average first frost in fall. 1 year in 10 it comes by October 6.
Source: NOAA U.S. Climate Normals 1991–2020, station Antioch (USC00110203), 1.7 miles from Antioch, elevation 750 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
This station is also the nearest one for Fox Lake, so its frost dates are the same as Antioch's.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 9 | Apr 23 | May 9 |
| First frost in fall | Oct 6 | Oct 21 | Nov 3 |
Frost-free days in an average year: 179
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 5 | Oct 11 |
| Frost (32°F) | Every year | Apr 23 | Oct 21 |
| Hard freeze (28°F) | Every year | Apr 11 | Nov 1 |
Nights at 32°F or colder in an average year: 133
What to plant now in Antioch
- Spring planting calendar for an average last frost around April 20 Antioch: April 23
- Fall planting calendar for an average first frost around October 20 Antioch: October 21
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
- Round Lake Beach 7 mi · last frost Apr 24
- Zion 11 mi · last frost Apr 30
- Waukegan 12 mi · last frost Apr 30
- Mundelein 14 mi · last frost Apr 29
- McHenry 15 mi · last frost May 1
Updated