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NWS Wilmington, NC

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Florence, South Carolina Spring and Fall Freeze Statistics

Weather.gov > NWS Wilmington, NC > Florence, South Carolina Spring and Fall Freeze Statistics

Florence, South Carolina Spring and Fall Freeze Statistics

 

Florence's average date for the last spring freeze is  March 20

 

Spring freeze statistics sorted by probability

Probability Date
1% Feb 15
5% Feb 24
10% Mar 1
25% Mar 10
50% Mar 20
75% Mar 29
90% Apr 7
95% Apr 12
99% Apr 22

 

 

 

 

Earliest last spring freeze: Feb 10, 1975

Latest last spring freeze: April 20, 1983

 

 

 

Spring freeze statistics sorted by date

Date Probability
Jan 25 0.0%
Feb 1 0.0%
Feb 5 0.1%
Feb 10 0.4%
Feb 15 1.0%
Feb 20 2.4%
Feb 25 5.2%
Mar 1 8.9%
Mar 5 14.3%
Mar 10 23.6%
Mar 15 35.6%
Mar 20 49.3%
Mar 25 63.0%
Mar 30 75.2%
Apr 5 86.4%
Apr 10 92.7%
Apr 15 96.4%
Apr 20 98.4%
Apr 25 99.4%
Apr 30 99.8%
May 5 99.9%
May 10 100.0%

 

 

 

 

 

Spring Freeze probabilities for Florence, SC

Observed spring freeze dates 1950-2020 in Florence, SC

Since 1950, the date of Florence's last spring freeze has shifted 1.1 days earlier per decade.   

 

 

 

Florence's average date for the first fall freeze is  November 10

 

Fall freeze statistics sorted by probability

Probability Date
1% Oct 16
5% Oct 24
10% Oct 28
25% Nov 3
50% Nov 10
75% Nov 17
90% Nov 24
95% Dec 5
99% Dec 11

 

 

 

 

Earliest first fall freeze: October 14, 1988

Latest first fall freeze: December 11, 1948

 

 

 

Fall freeze statistics sorted by date

Date Probability
Oct 1 0.0%
Oct 5 0.0%
Oct 10 0.2%
Oct 15 0.6%
Oct 20 2.1%
Oct 25 5.9%
Nov 1 18.2%
Nov 5 29.6%
Nov 10 47.2%
Nov 15 65.4%
Nov 20 80.6%
Nov 25 90.8%
Nov 30 96.4%
Dec 5 98.8%
Dec 10 99.7%
Dec 15 99.9%
Dec 20 100.0%
Dec 25 100.0%
Dec 30 100.0%

 

 

 

 

 

Fall Freeze probabilities for Florence, SC

Observed fall freeze dates 1950-2020 in Florence, SC

Since 1950, the date of Florence's first fall freeze has shifted 0.8 days later per decade. 

 

 

 

Florence's average growing season length is 235 days

 

Growing season statistics sorted by probability

Probability Days
1% 275
5% 263
10% 257
25% 246
50% 235
75% 223
90% 212
95% 206
99% 194

 

 

 

 

Shortest growing season: 192 days in 1962

Longest growing season: 273 days in 1997

 

 

 

Growing season statistics sorted by days

Days Probability
160 100.0%
170 100.0%
180 99.9%
190 99.4%
200 97.5%
210 91.8%
220 79.5%
225 70.6%
230 60.1%
235 48.9%
240 37.8%
245 27.6%
250 18.9%
255 12.2%
260 7.4%
270 2.2%
280 0.5%
290 0.1%
300 0.0%

 

 

 

 

 

Growing season length probabilities for Florence, SC

Observed growing season lengths from 1950-2020 in Florence, SC

Since 1950, Florence's growing season has become 1.8 days longer per decade.   

 

 

 

Research and Page Author: Tim Armstrong
Last Updated: March 4, 2021

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