Last frost date in Aiken, SC
The average last frost in Aiken is March 19. By April 5 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about November 14, which leaves 241 frost-free days. An early freeze before November 1 happens one year in ten.
- Safe after (10% risk)
- Apr 5
- Average first frost
- Nov 14
- Frost-free season
- 241 days
- Hard freeze (28°F) ends
- Mar 4
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2246°
- FriOct 2347°
- SatOct 2446°
- SunOct 2546°
- MonOct 2644°
- TueOct 2748°
- WedOct 2849°
Planting calendar for Aiken
Windows count forward or back from the average frost dates above. Click a crop for dates across South Carolina.
TomatoesMar 26–Apr 9
PumpkinsApr 2–Apr 16
SunflowersMar 19–Apr 9
CucumbersApr 2–Apr 9
CornMar 26–Apr 9
Sweet potatoesApr 9–Apr 23
WatermelonApr 2–Apr 16
Green beansMar 26–Apr 16
ZucchiniMar 26–Apr 9
OkraApr 9–Apr 23
PeppersApr 2–Apr 16
BasilMar 26–Apr 9
Butternut squashMar 26–Apr 9
CantaloupeApr 2–Apr 16
EggplantApr 2–Apr 16
PotatoesFeb 19–Mar 5
OnionsFeb 5–Feb 26
CarrotsFeb 26–Apr 2
LettuceMar 5–Mar 26
BroccoliFeb 19–Mar 5
BeetsFeb 19–Apr 2
PeasFeb 5–Feb 19
CabbageFeb 19–Mar 5
RadishesFeb 12–Mar 26
Brussels sproutsMar 5–Mar 19
SpinachFeb 5–Feb 26
CilantroMar 5–Mar 26
KaleFeb 19–Mar 5
Collard greensFeb 19–Mar 5
TurnipsFeb 19–Mar 5
DillMar 19–Apr 2
CeleryMar 26–Apr 2
CauliflowerMar 5–Mar 19
LeeksMar 5–Mar 19
Swiss chardMar 5–Apr 2
ParsleyMar 5–Mar 26
Tulip bulbsOct 31–Dec 5
GarlicOct 24–Nov 28
Daffodil bulbsOct 17–Nov 28
StrawberriesFeb 19–Mar 5
AsparagusFeb 19–Mar 5Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Feb 28 | Mar 19 | Apr 5 | Nov 1 | Nov 14 | Dec 4 |
| Hard freeze, 28°F | Feb 5 | Mar 4 | Mar 27 | Nov 9 | Nov 30 | Dec 24 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Aiken 2 E (USC00380072) sits 2.1 miles from the center of Aiken at 542 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Aiken, SC?
The average last frost date in Aiken is March 19, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 5.
When is the first frost in Aiken?
The first frost in fall usually comes around November 14. One year in ten it arrives before November 1.
How long is the growing season in Aiken?
About 241 days between the average last and first frost.
When should I plant tomatoes in Aiken?
Plant tomato seedlings outside from March 26 to April 9. Start seeds indoors six to eight weeks earlier.
Nearby in South Carolina
- North AugustaFeb 27
- LexingtonMar 25
- St. AndrewsMar 16
- GreenwoodMar 26
- ColumbiaMar 22
- SumterMar 24
- AndersonMar 23
- SimpsonvilleMar 29
- MauldinMar 28
- SummervilleMar 22
- GreenvilleMar 28
- SpartanburgApr 8