Marion, South Carolina Spring and Fall Freeze Statistics

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Marion's average date for the last spring freeze is March 27

Spring freeze statistics sorted by probability

Probability	Date
1%	Feb 19
5%	Mar 1
10%	Mar 7
25%	Mar 16
50%	Mar 27
75%	Apr 6
90%	Apr 16
95%	Apr 21
99%	May 2

Earliest last spring freeze: Feb 19, 2024

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	0.1%
Feb 10	0.2%
Feb 15	0.5%
Feb 20	1.2%
Feb 25	2.6%
Mar 1	4.6%
Mar 5	7.6%
Mar 10	13.3%
Mar 15	21.5%
Mar 20	32.0%
Mar 25	44.2%
Mar 30	57.0%
Apr 5	71.3%
Apr 10	81.2%
Apr 15	88.6%
Apr 20	93.7%
Apr 25	96.8%
Apr 30	98.5%
May 5	99.4%
May 10	99.8%

Since 1955, Marion has 18 years of missing climate data. This makes it difficult to determine a statistically accurate change in spring freeze dates.

Marion's average date for the first fall freeze is November 3

Fall freeze statistics sorted by probability

Probability	Date
1%	Oct 3
5%	Oct 12
10%	Oct 17
25%	Oct 25
50%	Nov 3
75%	Nov 13
90%	Nov 21
95%	Nov 26
99%	Dec 5

Earliest first fall freeze: October 3, 1974

Latest first fall freeze: December 11, 1948

Fall freeze statistics sorted by date

Date	Probability
Oct 1	0.6%
Oct 5	1.4%
Oct 10	3.4%
Oct 15	7.2%
Oct 20	13.7%
Oct 25	23.3%
Nov 1	41.5%
Nov 5	53.1%
Nov 10	67.2%
Nov 15	79.2%
Nov 20	88.1%
Nov 25	93.9%
Nov 30	97.2%
Dec 5	98.9%
Dec 10	99.6%
Dec 15	99.9%
Dec 20	100.0%
Dec 25	100.0%
Dec 30	100.0%

Since 1955, Marion has 18 years of missing climate data. This makes it difficult to determine a statistically accurate change in fall freeze dates.

Marion's average growing season length is 219 days

Growing season statistics sorted by probability

Probability	Days
1%	270
5%	255
10%	247
25%	234
50%	219
75%	204
90%	191
95%	183
99%	168

Shortest growing season: 175 days in 1974

Longest growing season: 285 days in 2024

Growing season statistics sorted by days

Days	Probability
160	99.7%
170	98.8%
180	96.4%
190	90.9%
200	81.0%
210	66.2%
220	48.4%
225	39.4%
230	30.9%
235	23.4%
240	17.0%
245	11.8%
250	7.9%
255	5.0%
260	3.1%
270	1.0%
280	0.3%
290	0.1%
300	0.0%

Since 1955, Marion has 18 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

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