Florence, South Carolina Spring and Fall Freeze Statistics
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Florence's average date for the last spring freeze is March 20
Spring freeze statistics sorted by probability
| Probability |
Date |
| 1% |
Feb 15 |
| 5% |
Feb 24 |
| 10% |
Mar 1 |
| 25% |
Mar 10 |
| 50% |
Mar 20 |
| 75% |
Mar 29 |
| 90% |
Apr 7 |
| 95% |
Apr 12 |
| 99% |
Apr 22 |
Earliest last spring freeze: Feb 10, 1975
Latest last spring freeze: April 20, 1983
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Spring freeze statistics sorted by date
| Date |
Probability |
| Jan 25 |
0.0% |
| Feb 1 |
0.0% |
| Feb 5 |
0.1% |
| Feb 10 |
0.4% |
| Feb 15 |
1.0% |
| Feb 20 |
2.4% |
| Feb 25 |
5.2% |
| Mar 1 |
8.9% |
| Mar 5 |
14.3% |
| Mar 10 |
23.6% |
| Mar 15 |
35.6% |
| Mar 20 |
49.3% |
| Mar 25 |
63.0% |
| Mar 30 |
75.2% |
| Apr 5 |
86.4% |
| Apr 10 |
92.7% |
| Apr 15 |
96.4% |
| Apr 20 |
98.4% |
| Apr 25 |
99.4% |
| Apr 30 |
99.8% |
| May 5 |
99.9% |
| May 10 |
100.0% |
|


Since 1950, the date of Florence's last spring freeze has shifted 1.1 days earlier per decade.
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Florence's average date for the first fall freeze is November 10
Fall freeze statistics sorted by probability
| Probability |
Date |
| 1% |
Oct 16 |
| 5% |
Oct 24 |
| 10% |
Oct 28 |
| 25% |
Nov 3 |
| 50% |
Nov 10 |
| 75% |
Nov 17 |
| 90% |
Nov 24 |
| 95% |
Dec 5 |
| 99% |
Dec 11 |
Earliest first fall freeze: October 14, 1988
Latest first fall freeze: December 11, 1948
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Fall freeze statistics sorted by date
| Date |
Probability |
| Oct 1 |
0.0% |
| Oct 5 |
0.0% |
| Oct 10 |
0.2% |
| Oct 15 |
0.6% |
| Oct 20 |
2.1% |
| Oct 25 |
5.9% |
| Nov 1 |
18.2% |
| Nov 5 |
29.6% |
| Nov 10 |
47.2% |
| Nov 15 |
65.4% |
| Nov 20 |
80.6% |
| Nov 25 |
90.8% |
| Nov 30 |
96.4% |
| Dec 5 |
98.8% |
| Dec 10 |
99.7% |
| Dec 15 |
99.9% |
| Dec 20 |
100.0% |
| Dec 25 |
100.0% |
| Dec 30 |
100.0% |
|


Since 1950, the date of Florence's first fall freeze has shifted 0.8 days later per decade.
|
|
Florence's average growing season length is 235 days
Growing season statistics sorted by probability
| Probability |
Days |
| 1% |
275 |
| 5% |
263 |
| 10% |
257 |
| 25% |
246 |
| 50% |
235 |
| 75% |
223 |
| 90% |
212 |
| 95% |
206 |
| 99% |
194 |
Shortest growing season: 192 days in 1962
Longest growing season: 273 days in 1997
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Growing season statistics sorted by days
| Days |
Probability |
| 160 |
100.0% |
| 170 |
100.0% |
| 180 |
99.9% |
| 190 |
99.4% |
| 200 |
97.5% |
| 210 |
91.8% |
| 220 |
79.5% |
| 225 |
70.6% |
| 230 |
60.1% |
| 235 |
48.9% |
| 240 |
37.8% |
| 245 |
27.6% |
| 250 |
18.9% |
| 255 |
12.2% |
| 260 |
7.4% |
| 270 |
2.2% |
| 280 |
0.5% |
| 290 |
0.1% |
| 300 |
0.0% |
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Since 1950, Florence's growing season has become 1.8 days longer per decade.
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Research and Page Author: Tim Armstrong
Last Updated: March 4, 2021