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