Spring and Fall Freeze Climatology for Wilmington, NC

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Wilmington, North Carolina Spring and Fall Freeze Statistics

Wilmington's average date for the last spring freeze is March 17

Spring freeze statistics sorted by probability

Probability	Date
1%	Feb 9
5%	Feb 19
10%	Feb 25
25%	Mar 6
50%	Mar 17
75%	Mar 28
90%	Apr 6
95%	Apr 12
99%	Apr 23

Earliest last spring freeze: January 26, 1921

Latest last spring freeze: April 21, 1983

Spring freeze statistics sorted by date

Date	Probability
Jan 25	0.1%
Feb 1	0.2%
Feb 5	0.5%
Feb 10	1.2%
Feb 15	2.6%
Feb 20	5.2%
Feb 25	9.5%
Mar 1	14.5%
Mar 5	21.1%
Mar 10	31.5%
Mar 15	43.5%
Mar 20	56.1%
Mar 25	68.2%
Mar 30	78.5%
Apr 5	88.0%
Apr 10	93.2%
Apr 15	96.5%
Apr 20	98.3%
Apr 25	99.3%
Apr 30	99.7%
May 5	99.9%
May 10	100.0%

Since 1950, the date of Wilmington's last spring freeze has shifted 0.2 days earlier per decade.

Wilmington's average date for the first fall freeze is November 18

Fall freeze statistics sorted by probability

Probability	Date
1%	Oct 21
5%	Oct 29
10%	Nov 2
25%	Nov 10
50%	Nov 18
75%	Nov 26
90%	Dec 3
95%	Dec 8
99%	Dec 16

Earliest first fall freeze: October 16, 1876

Latest first fall freeze: December 29, 1918

Fall freeze statistics sorted by date

Date	Probability
Oct 1	0.0%
Oct 5	0.0%
Oct 10	0.1%
Oct 15	0.2%
Oct 20	0.8%
Oct 25	2.3%
Nov 1	7.7%
Nov 5	13.6%
Nov 10	24.6%
Nov 15	39.1%
Nov 20	55.4%
Nov 25	70.8%
Nov 30	83.1%
Dec 5	91.5%
Dec 10	96.3%
Dec 15	98.6%
Dec 20	99.5%
Dec 25	99.9%
Dec 30	100.0%

Since 1950, the date of Wilmington's first fall freeze has shifted 1.3 days later per decade.

Wilmington's average growing season length is 244 days

Growing season statistics sorted by probability

Probability	Days
1%	292
5%	278
10%	271
25%	258
50%	244
75%	231
90%	218
95%	211
99%	197

Shortest growing season: 192 days in 2001

Longest growing season: 301 days in 1909

Growing season statistics sorted by days

Days	Probability
160	100.0%
170	100.0%
180	99.9%
190	99.6%
200	98.5%
210	95.4%
220	88.4%
225	82.9%
230	76.0%
235	67.7%
240	58.5%
245	48.8%
250	39.2%
255	30.1%
260	22.2%
270	10.5%
280	4.0%
290	1.3%
300	0.3%

Since 1950, Wilmington's growing season has become 1.2 days longer per decade.

Research and Page Author: Tim Armstrong and Vicky Oliva
Last Updated: September 13, 2026

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