National Weather Service United States Department of Commerce

Dillon, South Carolina Spring and Fall Freeze Statistics

 

Dillon's average date for the last spring freeze is  March 29

 

Spring freeze statistics sorted by probability

Probability Date
1% Feb 23
5% Mar 5
10% Mar 10
25% Mar 19
50% Mar 29
75% Apr 8
90% Apr 17
95% Apr 22
99% May 2

 

 

 

 

Earliest last spring freeze: Feb 25, 1997

Latest last spring freeze: May 2, 1963

 

 

 

Spring freeze statistics sorted by date

Date Probability
Jan 25 0.0%
Feb 1 0.0%
Feb 5 0.0%
Feb 10 0.1%
Feb 15 0.2%
Feb 20 0.6%
Feb 25 1.4%
Mar 1 2.7%
Mar 5 4.8%
Mar 10 9.3%
Mar 15 16.3%
Mar 20 26.0%
Mar 25 38.0%
Mar 30 51.3%
Apr 5 67.0%
Apr 10 78.2%
Apr 15 86.8%
Apr 20 92.7%
Apr 25 96.4%
Apr 30 98.4%
May 5 99.3%
May 10 99.8%

 

 

 

 

 

Spring Freeze probabilities for Dillon, SC

Observed spring freeze dates 1950-2020 in Dillon, SC

Since 1950, the date of Dillon's last spring freeze has shifted 3.0 days earlier per decade  

 

 

 

Dillon's average date for the first fall freeze is  November 2

 

Fall freeze statistics sorted by probability

Probability Date
1% Oct 5
5% Oct 13
10% Oct 17
25% Oct 25
50% Nov 2
75% Nov 10
90% Nov 17
95% Nov 22
99% Nov 30

 

 

 

 

Earliest first fall freeze: October 4, 1974

Latest first fall freeze: November 24, 2018

 

 

 

Fall freeze statistics sorted by date

Date Probability
Oct 1 0.4%
Oct 5 0.9%
Oct 10 2.6%
Oct 15 6.4%
Oct 20 13.3%
Oct 25 24.4%
Nov 1 45.5%
Nov 5 58.7%
Nov 10 73.7%
Nov 15 85.3%
Nov 20 92.8%
Nov 25 97.0%
Nov 30 98.9%
Dec 5 99.7%
Dec 10 99.9%
Dec 15 100.0%
Dec 20 100.0%
Dec 25 100.0%
Dec 30 100.0%

 

 

 

 

 

Fall Freeze probabilities for Dillon, SC

Observed fall freeze dates 1950-2020 in Dillon, SC

Since 1950, the date of Dillon's first fall freeze has shifted 2.5 days later per decade

 

 

 

Dillon's average growing season length is 217 days

 

Growing season statistics sorted by probability

Probability Days
1% 269
5% 254
10% 245
25% 232
50% 217
75% 202
90% 188
95% 180
99% 165

 

 

 

 

Shortest growing season: 174 days in 1974

Longest growing season: 264 days in 1997

 

 

 

Growing season statistics sorted by days

Days Probability
160 99.5%
170 98.2%
180 95.0%
190 88.5%
200 77.4%
210 62.0%
220 44.3%
225 35.7%
230 27.7%
235 20.7%
240 14.9%
245 10.3%
250 6.8%
255 4.3%
260 2.6%
270 0.9%
280 0.2%
290 0.1%
300 0.0%

 

 

 

 

 

Growing season length probabilities for Dillon, SC

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

Since 1950, Dillon's growing season has become 5.6 days longer per decade.   

 

 

 

Research and Page Author: Tim Armstrong
Last Updated: March 5, 2021