National Weather Service United States Department of Commerce

 

North Myrtle Beach, South Carolina Spring and Fall Freeze Statistics

 

North Myrtle Beach's average date for the last spring freeze is  March 14

 

Spring freeze statistics sorted by probability

Probability Date
1% Feb 7
5% Feb 17
10% Feb 22
25% Mar 4
50% Mar 14
75% Mar 24
90% Apr 3
95% Apr 8
99% Apr 18

 

 

 

 

Earliest last spring freeze: Feb 8, 2024

Latest last spring freeze: April 22, 1943

 

 

 

Spring freeze statistics sorted by date

Date Probability
Jan 25 0.1%
Feb 1 0.3%
Feb 5 0.7%
Feb 10 1.6%
Feb 15 3.6%
Feb 20 7.0%
Feb 25 12.5%
Mar 1 18.8%
Mar 5 26.7%
Mar 10 38.4%
Mar 15 51.3%
Mar 20 64.1%
Mar 25 75.5%
Mar 30 84.5%
Apr 5 92.1%
Apr 10 95.9%
Apr 15 98.1%
Apr 20 99.2%
Apr 25 99.7%
Apr 30 99.9%
May 5 100.0%
May 10 100.0%

 

 

 

 

 

Spring Freeze probabilities for North Myrtle Beach, SC

Observed spring freeze dates 1950-2020 in North Myrtle Beach, SC

Since 1955, North Myrtle Beach has 20 years of missing climate data. This makes it difficult to determine a statistically accurate change in spring freeze dates.

 

 

 

North Myrtle Beach's average date for the first fall freeze is  November 17

 

Fall freeze statistics sorted by probability

Probability Date
1% Oct 20
5% Oct 28
10% Nov 1
25% Nov 9
50% Nov 17
75% Nov 25
90% Dec 2
95% Dec 6
99% Dec 14

 

 

 

 

Earliest first fall freeze: October 26, 1962

Latest first fall freeze: December 22, 1948

 

 

 

Fall freeze statistics sorted by date

Date Probability
Oct 1 0.0%
Oct 5 0.0%
Oct 10 0.1%
Oct 15 0.3%
Oct 20 0.9%
Oct 25 2.5%
Nov 1 8.7%
Nov 5 15.3%
Nov 10 24.7%
Nov 15 43.0%
Nov 20 59.7%
Nov 25 74.8%
Nov 30 86.2%
Dec 5 93.5%
Dec 10 97.4%
Dec 15 99.1%
Dec 20 99.7%
Dec 25 99.9%
Dec 30 100.0%

 

 

 

 

 

Fall Freeze probabilities for North Myrtle Beach, SC

Observed fall freeze dates 1950-2020 in North Myrtle Beach, SC

Since 1955, North Myrtle Beach has 20 years of missing climate data. This makes it difficult to determine a statistically accurate change in fall freeze dates.

 

 

 

North Myrtle Beach's average growing season length is 246 days

 

Growing season statistics sorted by probability

Probability Days
1% 300
5% 284
10% 276
25% 262
50% 246
75% 230
90% 216
95% 207
99% 191

 

 

 

 

Shortest growing season: 191 days in 2001

Longest growing season: 295 days in 2024

 

 

 

Growing season statistics sorted by days

Days Probability
160 100.0%
170 99.9%
180 99.8%
190 99.2%
200 97.5%
210 93.7%
220 86.6%
225 81.4%
230 75.2%
235 68.0%
240 60.0%
245 51.6%
250 43.1%
255 34.9%
260 27.4%
270 15.2%
280 7.3%
290 3.0%
300 1.0%

 

 

 

 

 

Growing season length probabilities for North Myrtle Beach, SC

Observed growing season lengths from 1950-2020 in North Myrtle Beach, SC

Since 1955, North Myrtle Beach has 20 years of missing climate data. This makes it difficult to determine a statistically accurate change in growing season length.    

 

 

 

Research and Page Author: Tim Armstrong & Vicky Oliva
Last Updated: September 17, 2026