Last frost date in Conway, SC

Average last frost
March 15

In Conway, the last spring frost comes around March 15 in an average year. Wait until April 1 if you want 90% odds of no more frost. The first fall frost usually arrives about November 22, which leaves 254 frost-free days. An early freeze before November 5 happens one year in ten.

Safe after (10% risk)
Apr 1
Average first frost
Nov 22
Frost-free season
254 days
Hard freeze (28°F) ends
Feb 28
Next 7 nights in Conway

No frost in the next 7 nights

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2242°
  2. FriOct 2349°
  3. SatOct 2450°
  4. SunOct 2548°
  5. MonOct 2647°
  6. TueOct 2750°
  7. WedOct 2853°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Mar 15First frost Nov 22254 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND254 frost-free days
Frost risk through the year at Conway, 0.4 miles from Conway.

Planting calendar for Conway

Windows count forward or back from the average frost dates above. Click a crop for dates across South Carolina.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesMar 22–Apr 5
PumpkinsMar 29–Apr 12
SunflowersMar 15–Apr 5
CucumbersMar 29–Apr 5
CornMar 22–Apr 5
Sweet potatoesApr 5–Apr 19
WatermelonMar 29–Apr 12
Green beansMar 22–Apr 12
ZucchiniMar 22–Apr 5
OkraApr 5–Apr 19
PeppersMar 29–Apr 12
BasilMar 22–Apr 5
Butternut squashMar 22–Apr 5
CantaloupeMar 29–Apr 12
EggplantMar 29–Apr 12
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesFeb 15–Mar 1
OnionsFeb 1–Feb 22
CarrotsFeb 22–Mar 29
LettuceMar 1–Mar 22
BroccoliFeb 15–Mar 1
BeetsFeb 15–Mar 29
PeasFeb 1–Feb 15
CabbageFeb 15–Mar 1
RadishesFeb 8–Mar 22
Brussels sproutsMar 1–Mar 15
SpinachFeb 1–Feb 22
CilantroMar 1–Mar 22
KaleFeb 15–Mar 1
Collard greensFeb 15–Mar 1
TurnipsFeb 15–Mar 1
DillMar 15–Mar 29
CeleryMar 22–Mar 29
CauliflowerMar 1–Mar 15
LeeksMar 1–Mar 15
Swiss chardMar 1–Mar 29
ParsleyMar 1–Mar 22
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsNov 8–Dec 13
GarlicOct 15–Nov 30
Daffodil bulbsOct 15–Nov 30
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesFeb 15–Mar 1
AsparagusFeb 15–Mar 1

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FFeb 21Mar 15Apr 1Nov 5Nov 22Dec 18
Hard freeze, 28°FJan 30Feb 28Mar 22Nov 17Dec 7Jan 7

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 Conway (USC00381997) sits 0.4 miles from the center of Conway at 20 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 Conway, SC?

The average last frost date in Conway is March 15, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 1.

When is the first frost in Conway?

The first frost in fall usually comes around November 22. One year in ten it arrives before November 5.

How long is the growing season in Conway?

About 254 days between the average last and first frost.

When should I plant tomatoes in Conway?

Plant tomato seedlings outside from March 22 to April 5. Start seeds indoors six to eight weeks earlier.

Nearby in South Carolina

All 33 cities in South Carolina