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NWS Wilmington, NC

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Spring and Fall Freeze Climatology for Wilmington, NC

Weather.gov > NWS Wilmington, NC > Spring and Fall Freeze Climatology for Wilmington, NC

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%

 

 

 

 

 

Spring Freeze probabilities for Wilmington, NC

Observed spring freeze dates 1950-2020 in Wilmington, NC

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%

 

 

 

 

 

Fall Freeze probabilities for Wilmington, NC

Observed fall freeze dates 1950-2020 in Wilmington, NC

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%

 

 

 

 

 

Growing season length probabilities for Wilmington, NC

Observed growing season lengths from 1950-2020 in Wilmington, NC

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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