Last frost date in Irmo, South Carolina
April 10
Average last frost in spring. In an early year (1 in 10) it's over by March 27; in a late year (1 in 10) it comes after April 23.
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 Cedar Creek 2E (USC00381479), 10.5 miles from Irmo, elevation 338 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 27 | Apr 10 | Apr 23 |
| First frost in fall | Oct 15 | Oct 28 | Nov 8 |
Frost-free days in an average year: 201
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 21 | Oct 20 |
| Frost (32°F) | Every year | Apr 10 | Oct 28 |
| Hard freeze (28°F) | Every year | Mar 31 | Nov 5 |
Nights at 32°F or colder in an average year: 95
What to plant now in Irmo
- 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 Irmo: April 10
- Fall planting calendar for an average first frost around October 30 Irmo: 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 South Carolina
- Lexington 8 mi · last frost Mar 25
- Forest Acres 14 mi · last frost Mar 16
- Cayce 14 mi · last frost Mar 13
- Columbia 17 mi · last frost Mar 22
- Newberry 26 mi · last frost Mar 31
Updated