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 18

Spring freeze statistics sorted by probability

Probability	Date
1%	Feb 10
5%	Feb 21
10%	Feb 26
25%	Mar 7
50%	Mar 18
75%	Mar 28
90%	Apr 6
95%	Apr 12
99%	Apr 22

Earliest last spring freeze: January 26, 1921

Latest last spring freeze: April 21, 1983

Spring freeze statistics sorted by date

Date	Probability
Jan 25	0.0%
Feb 1	0.2%
Feb 5	0.3%
Feb 10	0.9%
Feb 15	2.0%
Feb 20	4.3%
Feb 25	8.2%
Mar 1	13.0%
Mar 5	19.5%
Mar 10	29.5%
Mar 15	41.6%
Mar 20	54.6%
Mar 25	67.1%
Mar 30	77.9%
Apr 5	87.8%
Apr 10	93.2%
Apr 15	96.5%
Apr 20	98.4%
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 17

Fall freeze statistics sorted by probability

Probability	Date
1%	Oct 19
5%	Oct 27
10%	Nov 1
25%	Nov 9
50%	Nov 17
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	0.4%
Oct 20	1.2%
Oct 25	3.1%
Nov 1	9.5%
Nov 5	16.0%
Nov 10	27.5%
Nov 15	42.1%
Nov 20	57.8%
Nov 25	72.4%
Nov 30	83.9%
Dec 5	91.8%
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 243 days

Growing season statistics sorted by probability

Probability	Days
1%	290
5%	276
10%	269
25%	256
50%	243
75%	229
90%	217
95%	210
99%	196

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	98.3%
210	94.9%
220	87.2%
225	81.3%
230	73.9%
235	65.3%
240	55.7%
245	45.8%
250	36.2%
255	27.4%
260	19.8%
270	8.9%
280	3.3%
290	1.0%
300	0.2%

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

Research and Page Author: Tim Armstrong
Last Updated: February 28, 2021

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