Norfolk S, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00446147, 2003 to 2025, measured from daily minimum temperatures.

Elevation 10 ft, 36.871, -76.229. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 21	Nov 19
Earliest	Mar 1 (2024)	Nov 4 (2006)
Latest	Apr 10 (2007)	Dec 7 (2009)
Trend	6.6 days earlier per decade	2.6 days later per decade
Years with data	21	23

At 28°F (hard freeze) the median last spring date is Mar 7 and the median first fall date is Dec 2.

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
2025	Mar 3	Nov 29	Mar 3	Dec 12
2024	Mar 1	Nov 30	Feb 18	Dec 2
2023	Mar 21	Nov 28	Feb 4	Nov 29
2022	Mar 29	Nov 18	Mar 13	Nov 21
2021	Mar 8	Nov 24	Mar 8	none
2020	Mar 8	Nov 19	Mar 1	Dec 9
2019	Mar 13	Nov 13	Mar 7	Nov 13
2018	Mar 17	Nov 22	Mar 6	Dec 12
2017	Mar 24	Nov 23	Mar 17	Dec 13
2016	Apr 6	Nov 13	Feb 19	Nov 22
2015	Mar 30	Nov 23	Mar 29	Nov 24
2014	Mar 27	Nov 15	Mar 27	Nov 19
2013	Mar 26	Nov 13	Mar 22	Nov 14
2012	Mar 11	Nov 25	Feb 21	Nov 25
2011	Mar 29	Nov 12	Mar 29	Dec 19
2010	Mar 17	Nov 28	Mar 7	Dec 6
2009	no data	Dec 7	no data	Dec 12
2008	Mar 10	Nov 19	Feb 28	Nov 22
2007	Apr 10	Nov 17	Mar 19	Dec 6
2006	Mar 22	Nov 4	Mar 8	Dec 5
2005	Mar 19	Nov 18	Mar 10	Nov 19
2004	Mar 23	Nov 15	Feb 28	Dec 15
2003	no data	Nov 30	no data	Dec 3

"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 1991–2020 frost probabilities.