Florence, South Carolina Spring and Fall Freeze Statistics

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Florence, South Carolina Spring and Fall Freeze Statistics

Florence's average date for the last spring freeze is March 19

Spring freeze statistics sorted by probability

Probability	Date
1%	Feb 13
5%	Feb 23
10%	Mar 1
25%	Mar 9
50%	Mar 19
75%	Mar 29
90%	Apr 6
95%	Apr 12
99%	Apr 21

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	0.1%
Feb 5	0.2%
Feb 10	0.5%
Feb 15	1.2%
Feb 20	2.8%
Feb 25	5.9%
Mar 1	10.0%
Mar 5	15.8%
Mar 10	25.6%
Mar 15	37.9%
Mar 20	51.6%
Mar 25	65.1%
Mar 30	76.9%
Apr 5	87.5%
Apr 10	93.3%
Apr 15	96.8%
Apr 20	98.6%
Apr 25	99.4%
Apr 30	99.8%
May 5	99.9%
May 10	100.0%

Since 1955, the date of Florence's last spring freeze has shifted 1.0 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 18
90%	Nov 24
95%	Dec 6
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	5.8%
Nov 1	17.8%
Nov 5	29.1%
Nov 10	46.5%
Nov 15	64.7%
Nov 20	80.0%
Nov 25	90.4%
Nov 30	96.2%
Dec 5	98.7%
Dec 10	99.7%
Dec 15	99.9%
Dec 20	100.0%
Dec 25	100.0%
Dec 30	100.0%

Since 1955, the date of Florence's first fall freeze has shifted 0.2 days later per decade.

Florence's average growing season length is 236 days

Growing season statistics sorted by probability

Probability	Days
1%	276
5%	264
10%	258
25%	247
50%	236
75%	224
90%	213
95%	207
99%	195

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	99.5%
200	97.8%
210	92.7%
220	81.2%
225	72.6%
230	62.4%
235	51.2%
240	40.0%
245	29.6%
250	20.6%
255	13.4%
260	8.2%
270	2.5%
280	0.6%
290	0.1%
300	0.0%

Since 1955, Florence's growing season has become 1.2 days longer per decade.

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

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