Longwood, North Carolina Spring and Fall Freeze Statistics

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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

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