Last frost date in Myrtle Beach, SC

Average last frost
March 21

Expect the last frost in Myrtle Beach around March 21. Frost after April 7 happens in only one year out of ten. The first fall frost usually arrives about November 13, which leaves 239 frost-free days. An early freeze before October 31 happens one year in ten.

Safe after (10% risk)
Apr 7
Average first frost
Nov 13
Frost-free season
239 days
Hard freeze (28°F) ends
Mar 7
Next 7 nights in Myrtle Beach

No frost in the next 7 nights

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

  1. ThuOct 2248°
  2. FriOct 2352°
  3. SatOct 2453°
  4. SunOct 2551°
  5. MonOct 2650°
  6. TueOct 2753°
  7. WedOct 2855°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Mar 21First frost Nov 13239 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND239 frost-free days
Frost risk through the year at Myrtle Beach, 4.8 miles from Myrtle Beach.

Planting calendar for Myrtle Beach

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 28–Apr 11
PumpkinsApr 4–Apr 18
SunflowersMar 21–Apr 11
CucumbersApr 4–Apr 11
CornMar 28–Apr 11
Sweet potatoesApr 11–Apr 25
WatermelonApr 4–Apr 18
Green beansMar 28–Apr 18
ZucchiniMar 28–Apr 11
OkraApr 11–Apr 25
PeppersApr 4–Apr 18
BasilMar 28–Apr 11
Butternut squashMar 28–Apr 11
CantaloupeApr 4–Apr 18
EggplantApr 4–Apr 18
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesFeb 21–Mar 7
OnionsFeb 7–Feb 28
CarrotsFeb 28–Apr 4
LettuceMar 7–Mar 28
BroccoliFeb 21–Mar 7
BeetsFeb 21–Apr 4
PeasFeb 7–Feb 21
CabbageFeb 21–Mar 7
RadishesFeb 14–Mar 28
Brussels sproutsMar 7–Mar 21
SpinachFeb 7–Feb 28
CilantroMar 7–Mar 28
KaleFeb 21–Mar 7
Collard greensFeb 21–Mar 7
TurnipsFeb 21–Mar 7
DillMar 21–Apr 4
CeleryMar 28–Apr 4
CauliflowerMar 7–Mar 21
LeeksMar 7–Mar 21
Swiss chardMar 7–Apr 4
ParsleyMar 7–Mar 28
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 30–Dec 4
GarlicOct 23–Nov 27
Daffodil bulbsOct 16–Nov 27
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesFeb 21–Mar 7
AsparagusFeb 21–Mar 7

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 2Mar 21Apr 7Oct 31Nov 13Dec 3
Hard freeze, 28°FFeb 8Mar 7Mar 28Nov 7Nov 26Dec 26

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 Myrtle Beach (USC00386153) sits 4.8 miles from the center of Myrtle Beach at 39 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 Myrtle Beach, SC?

The average last frost date in Myrtle Beach is March 21, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after April 7.

When is the first frost in Myrtle Beach?

The first frost in fall usually comes around November 13. One year in ten it arrives before October 31.

How long is the growing season in Myrtle Beach?

About 239 days between the average last and first frost.

When should I plant tomatoes in Myrtle Beach?

Plant tomato seedlings outside from March 28 to April 11. Start seeds indoors six to eight weeks earlier.

Nearby in South Carolina

All 33 cities in South Carolina