NWS Wilmington, NC

Weather Forecast Office

Longwood, North Carolina Spring and Fall Freeze Statistics

Longwood's average date for the last spring freeze is March 31

Spring freeze statistics sorted by probability

Probability	Date
1%	Feb 25
5%	Mar 7
10%	Mar 12
25%	Mar 21
50%	Mar 31
75%	Apr 9
90%	Apr 18
95%	Apr 23
99%	May 3

Earliest last spring freeze: March 1, 2020

Latest last spring freeze: May 3, 1981

Spring freeze statistics sorted by date

Date	Probability
Jan 25	0.0%
Feb 1	0.0%
Feb 5	0.0%
Feb 10	0.0%
Feb 15	0.1%
Feb 20	0.3%
Feb 25	0.9%
Mar 1	1.8%
Mar 5	3.5%
Mar 10	7.1%
Mar 15	13.2%
Mar 20	22.0%
Mar 25	33.5%
Mar 30	46.9%
Apr 5	63.2%
Apr 10	75.3%
Apr 15	84.9%
Apr 20	91.6%
Apr 25	95.8%
Apr 30	98.1%
May 5	99.2%
May 10	99.7%

Since 1950, Longwood has 22 years of missing climate data. This makes it difficult to determine a statistically accurate change in spring freeze dates.

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

Fall freeze statistics sorted by probability

Probability	Date
1%	Sep 28
5%	Oct 9
10%	Oct 15
25%	Oct 24
50%	Nov 3
75%	Nov 14
90%	Nov 23
95%	Nov 29
99%	Dec 9

Earliest first fall freeze: October 4, 1974

Latest first fall freeze: December 4, 1985

Fall freeze statistics sorted by date

Date	Probability
Oct 1	1.4%
Oct 5	2.7%
Oct 10	5.4%
Oct 15	9.9%
Oct 20	16.8%
Oct 25	26.2%
Nov 1	42.8%
Nov 5	53.1%
Nov 10	65.6%
Nov 15	76.6%
Nov 20	85.3%
Nov 25	91.5%
Nov 30	95.5%
Dec 5	97.8%
Dec 10	99.1%
Dec 15	99.9%
Dec 20	100.0%
Dec 25	100.0%
Dec 30	100.0%

Since 1950, Longwood has 22 years of missing climate data. This makes it difficult to determine a statistically accurate change in fall freeze dates.

Longwood's average growing season length is 217 days

Growing season statistics sorted by probability

Probability	Days
1%	271
5%	255
10%	247
25%	233
50%	217
75%	201
90%	187
95%	178
99%	162

Shortest growing season: 153 days in 1981

Longest growing season: 251 days in 1994

Growing season statistics sorted by days

Days	Probability
160	99.8%
170	99.3%
180	97.3%
190	92.0%
200	81.2%
210	64.4%
220	44.0%
225	34.1%
230	25.2%
235	17.7%
240	11.7%
245	7.4%
250	4.4%
255	2.5%
260	1.3%
270	0.3%
280	0.1%
290	0.0%
300	0.0%

Since 1950, Longwood has 22 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 1, 2021