Nora 4 Sse, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00446125, 2006 to 2024, measured from daily minimum temperatures.

Elevation 2,658 ft, 37.015, -82.320. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 20	Oct 29
Earliest	Mar 27 (2019)	Oct 17 (2024)
Latest	May 10 (2020)	Nov 12 (2016)
Trend	3.5 days later per decade	little change (less than half a day per decade)
Years with data	18	19

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Nov 3.

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
2024	Apr 23	Oct 17	Apr 7	Nov 22
2023	Apr 26	Nov 1	Mar 21	Nov 1
2022	Apr 20	Oct 18	Mar 30	Oct 18
2021	Apr 23	Nov 3	Apr 22	Nov 14
2020	May 10	Nov 2	May 10	Nov 2
2019	Mar 27	Nov 1	Mar 24	Nov 1
2018	Apr 21	Oct 21	Apr 18	Nov 10
2017	Apr 8	Oct 29	Mar 17	Oct 30
2016	Apr 11	Nov 12	Apr 11	Nov 20
2015	Mar 30	Oct 18	Mar 30	Nov 22
2014	Apr 17	Nov 1	Apr 17	Nov 2
2013	Apr 22	Oct 24	Apr 4	Oct 25
2012	Apr 24	Oct 29	Mar 11	Oct 30
2011	Apr 6	Oct 29	Apr 2	Nov 11
2010	Apr 28	Nov 5	Mar 27	Nov 6
2009	Mar 31	Oct 18	Mar 31	Nov 28
2008	Apr 30	Oct 28	Apr 16	Oct 28
2007	Apr 17	Oct 30	Apr 10	Nov 16
2006	no data	Oct 23	no data	Nov 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 to 2020 frost probabilities.