Sperryville, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00447985, 1999 to 2022, measured from daily minimum temperatures.

Elevation 750 ft, 38.655, -78.227. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 11	Oct 26
Earliest	Mar 26 (1999)	Oct 3 (2003)
Latest	May 11 (2010)	Nov 12 (2016)
Trend	11.1 days later per decade	6.9 days later per decade
Years with data	17	17

At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 9.

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
2022	Apr 29	no data	Apr 20	no data
2021	Apr 24	Nov 3	Apr 4	Nov 5
2020	May 10	Oct 31	Mar 9	Nov 19
2019	no data	Nov 2	no data	Nov 9
2018	Apr 19	Oct 22	Mar 17	Nov 11
2016	no data	Nov 12	no data	Nov 13
2015	Apr 6	no data	Mar 30	no data
2013	Apr 22	no data	Apr 5	no data
2012	Apr 25	Oct 13	Mar 12	Nov 6
2011	Apr 7	Oct 29	Mar 29	Nov 1
2010	May 11	no data	Mar 28	no data
2009	no data	Oct 19	no data	Nov 4
2008	no data	Oct 20	no data	Nov 11
2007	Apr 11	Nov 8	Apr 11	Nov 24
2006	Mar 28	Oct 13	Mar 23	Nov 4
2004	Apr 6	Nov 9	Mar 25	Nov 9
2003	Apr 2	Oct 3	Apr 2	Nov 9
2002	Apr 8	Nov 2	Apr 8	Nov 2
2001	Apr 20	Oct 8	Mar 29	Oct 10
2000	Apr 10	Oct 10	Mar 19	Nov 16
1999	Mar 26	Oct 26	Mar 26	Nov 4

"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.