Myrtle Beach, SC: frost dates by year

Last spring and first fall frost at NOAA station USC00386153, 1989 to 2021, measured from daily minimum temperatures.

Elevation 39 ft, 33.754, -78.822. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 13	Nov 17
Earliest	Feb 18 (2003)	Nov 2 (1994)
Latest	Apr 3 (1992)	Dec 18 (1998)
Trend	0.8 days earlier per decade	1.5 days later per decade
Years with data	13	13

At 28°F (hard freeze) the median last spring date is Feb 28 and the median first fall date is Nov 25.

The trend is a straight-line fit through the years with a freeze. A positive spring trend means the last frost now comes later. Short or patchy records give noisy trends.

Chart

Last spring frost (32°F)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2021	no data	Nov 25	no data	Nov 25
2018	Mar 17	no data	Mar 17	no data
2017	no data	Dec 10	no data	Dec 29
2014	Mar 30	Nov 3	Mar 15	Nov 15
2011	no data	Nov 12	no data	none
2009	Mar 6	Nov 14	Mar 6	Dec 22
2008	Mar 9	Nov 19	Mar 1	Nov 19
2004	Mar 22	no data	Feb 28	no data
2003	Feb 18	no data	Jan 29	no data
2002	Mar 23	no data	Mar 5	no data
2001	Mar 9	no data	Jan 27	no data
2000	no data	Nov 22	no data	Nov 22
1999	Mar 8	Nov 4	Feb 23	Dec 1
1998	Mar 13	Dec 18	Mar 13	Dec 27
1997	no data	Nov 17	no data	Dec 7
1994	no data	Nov 2	no data	Nov 2
1992	Apr 3	no data	Feb 10	no data
1990	Mar 21	Nov 16	Feb 27	none
1989	Mar 11	Nov 23	Feb 25	Nov 23

"none" means the station recorded no freeze at that threshold in that half of the year. "no data" means more than 10% of the season's daily readings were missing. Years with no usable data are left out. See the methodology for the rules, and the ZIP lookup for 1991 to 2020 frost probabilities.