National Weather Service United States Department of Commerce

Georgetown, South Carolina Spring and Fall Freeze Statistics

 

Georgetown's average date for the last spring freeze is  March 13

 

Spring freeze statistics sorted by probability

Probability Date
1% Feb 7
5% Feb 17
10% Feb 22
25% Mar 3
50% Mar 13
75% Mar 23
90% Apr 1
95% Apr 6
99% Apr 17

 

 

 

 

Earliest last spring freeze: Feb 1, 1952

Latest last spring freeze: April 20, 1983

 

 

 

Spring freeze statistics sorted by date

Date Probability
Jan 25 0.1%
Feb 1 0.3%
Feb 5 0.6%
Feb 10 1.5%
Feb 15 3.4%
Feb 20 6.9%
Feb 25 12.7%
Mar 1 19.2%
Mar 5 27.5%
Mar 10 39.8%
Mar 15 53.3%
Mar 20 66.3%
Mar 25 77.7%
Mar 30 86.5%
Apr 5 93.4%
Apr 10 96.8%
Apr 15 98.6%
Apr 20 99.4%
Apr 25 99.8%
Apr 30 99.9%
May 5 100.0%
May 10 100.0%

 

 

 

 

 

Spring Freeze probabilities for Georgetown, SC

Observed spring freeze dates 1950-2020 in Georgetown, SC

Since 1950, Georgetown has 12 years of missing climate data. This makes it difficult to determine a statistically accurate change in spring freeze dates.

 

 

 

Georgetown's average date for the first fall freeze is  November 21

 

Fall freeze statistics sorted by probability

Probability Date
1% Oct 23
5% Nov 1
10% Nov 5
25% Nov 13
50% Nov 21
75% Nov 29
90% Dec 7
95% Dec 11
99% Dec 20

 

 

 

 

Earliest first fall freeze: October 28, 1926

Latest first fall freeze: December 25, 1897

 

 

 

Fall freeze statistics sorted by date

Date Probability
Oct 1 0.0%
Oct 5 0.0%
Oct 10 0.0%
Oct 15 0.1%
Oct 20 0.4%
Oct 25 1.3%
Nov 1 4.9%
Nov 5 9.1%
Nov 10 17.6%
Nov 15 29.9%
Nov 20 45.0%
Nov 25 61.0%
Nov 30 75.3%
Dec 5 86.2%
Dec 10 93.2%
Dec 15 97.1%
Dec 20 98.9%
Dec 25 99.7%
Dec 30 99.9%

 

 

 

 

 

Fall Freeze probabilities for Georgetown, SC

Observed fall freeze dates 1950-2020 in Georgetown, SC

Since 1950, Georgetown has 12 years of missing climate data. This makes it difficult to determine a statistically accurate change in fall freeze dates.

 

 

 

Georgetown's average growing season length is 252 days

 

Growing season statistics sorted by probability

Probability Days
1% 297
5% 283
10% 276
25% 265
50% 252
75% 239
90% 227
95% 220
99% 207

 

 

 

 

Shortest growing season: 190 days in 1926

Longest growing season: 299 days in 1897

 

 

 

Growing season statistics sorted by days

Days Probability
160 100.0%
170 100.0%
180 100.0%
190 99.9%
200 99.6%
210 98.5%
220 95.1%
225 91.8%
230 87.2%
235 80.9%
240 73.1%
245 63.9%
250 53.8%
255 43.5%
260 33.6%
270 17.3%
280 7.2%
290 2.4%
300 0.6%

 

 

 

 

 

Growing season length probabilities for Georgetown, SC

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

Since 1950, Georgetown has 12 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
Last Updated: March 6, 2021