National Weather Service United States Department of Commerce

Castle Hayne, North Carolina Spring and Fall Freeze Statistics

 

Castle Hayne's average date for the last spring freeze is  April 2

 

Spring freeze statistics sorted by probability

Probability Date
1% Mar 2
5% Mar 11
10% Mar 16
25% Mar 24
50% Apr 2
75% Apr 11
90% Apr 19
95% Apr 24
99% May 3

 

 

 

 

Earliest last spring freeze: March 12, 1984

Latest last spring freeze: May 8, 1989

 

 

 

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 0.0%
Feb 20 0.1%
Feb 25 0.3%
Mar 1 0.7%
Mar 5 1.6%
Mar 10 3.8%
Mar 15 8.1%
Mar 20 15.4%
Mar 25 26.0%
Mar 30 39.6%
Apr 5 57.5%
Apr 10 71.5%
Apr 15 82.8%
Apr 20 90.7%
Apr 25 95.6%
Apr 30 98.1%
May 5 99.3%
May 10 99.8%

 

 

 

 

 

Spring Freeze probabilities for Castle Hayne, NC

Observed spring freeze dates 1950-2020 in CastleHayne, NC

Since 1950, the date of  Castle Hayne's last spring freeze has shifted 1.9 days earlier per decade

 

 

 

Castle Hayne's average date for the first fall freeze is  November 5

 

Fall freeze statistics sorted by probability

Probability Date
1% Oct 7
5% Oct 15
10% Oct 20
25% Oct 28
50% Nov 5
75% Nov 13
90% Nov 21
95% Nov 26
99% Dec 4

 

 

 

 

Earliest first fall freeze: October 4, 1974

Latest first fall freeze: December 3, 1985

 

 

 

Fall freeze statistics sorted by date

Date Probability
Oct 1 0.2%
Oct 5 0.6%
Oct 10 1.7%
Oct 15 4.4%
Oct 20 9.5%
Oct 25 18.0%
Nov 1 36.1%
Nov 5 48.5%
Nov 10 64.1%
Nov 15 77.6%
Nov 20 87.7%
Nov 25 94.0%
Nov 30 97.5%
Dec 5 99.1%
Dec 10 99.7%
Dec 15 99.9%
Dec 20 100.0%
Dec 25 100.0%
Dec 30 100.0%

 

 

 

 

 

Fall Freeze probabilities for CastleHayne, NC

Observed fall freeze dates 1950-2020 in CastleHayne, NC

Since 1950, the date of  Castle Hayne's first fall freeze has shifted 1.7 days later per decade

 

 

 

Castle Hayne's average growing season length is  216 days

 

Growing season statistics sorted by probability

Probability Days
1% 260
5% 247
10% 240
25% 229
50% 216
75% 203
90% 191
95% 184
99% 171

 

 

 

 

Shortest growing season: 179 days in 1974

Longest growing season: 251 days in 1978

 

 

 

Growing season statistics sorted by days

Days Probability
160 99.8%
170 99.1%
180 96.9%
190 91.0%
200 79.4%
210 61.8%
220 41.3%
225 31.5%
230 22.9%
235 15.8%
240 10.3%
245 6.4%
250 3.7%
255 2.0%
260 1.1%
270 0.2%
280 0.0%
290 0.0%
300 0.0%

 

 

 

 

 

Growing season length probabilities for CastleHayne, NC

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

Since 1950, Castle Hayne's growing season has become 3.7 days longer per decade

 

 

 

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