Winchester, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00449181, 1983 to 2019, measured from daily minimum temperatures.

Elevation 720 ft, 39.188, -78.152. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 11	Oct 30
Earliest	Mar 24 (2017)	Oct 3 (2003)
Latest	May 14 (1996)	Nov 13 (2000)
Trend	3.1 days earlier per decade	2.2 days later per decade
Years with data	34	33

At 28°F (hard freeze) the median last spring date is Apr 1 and the median first fall date is Nov 8.

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
2019	Apr 3	Nov 2	Mar 28	Nov 2
2018	Apr 21	Oct 22	Apr 8	Nov 11
2017	Mar 24	Nov 11	Mar 24	Nov 11
2016	Apr 11	Nov 12	Apr 11	Nov 13
2015	Apr 2	Oct 19	Mar 30	Oct 19
2014	Apr 18	Nov 8	Apr 17	Nov 8
2012	Apr 12	Oct 13	Apr 12	Nov 6
2011	Apr 2	Oct 29	Mar 29	Nov 6
2010	Mar 28	Nov 2	Mar 28	Nov 13
2009	Apr 12	Nov 7	Mar 25	Nov 7
2008	Mar 31	Oct 18	Mar 18	Oct 20
2007	Apr 11	Nov 8	Apr 8	Nov 8
2006	Apr 9	Oct 13	Mar 22	Nov 4
2005	Apr 16	Nov 12	Mar 22	Nov 18
2004	Apr 6	Nov 9	Apr 6	Nov 10
2003	Apr 1	Oct 3	Apr 1	Nov 9
2002	Apr 8	Nov 2	Apr 8	Nov 28
2001	Apr 19	Oct 9	Mar 28	Oct 29
2000	Apr 13	Nov 13	Mar 19	Nov 16
1999	Mar 28	Nov 4	Mar 23	Nov 18
1998	Mar 26	Nov 5	Mar 25	Nov 5
1997	Apr 15	Oct 23	Apr 11	Oct 23
1996	May 14	Oct 12	Apr 9	Nov 4
1995	Apr 15	Nov 4	Apr 6	Nov 5
1994	Apr 9	Oct 28	Apr 8	Nov 12
1993	no data	Oct 11	no data	Nov 8
1992	Apr 14	no data	Apr 3	no data
1991	Apr 4	no data	Apr 3	no data
1990	no data	Oct 20	no data	Nov 20
1989	Apr 23	Nov 4	Apr 12	Nov 4
1988	Apr 20	no data	Mar 23	no data
1987	Apr 6	Oct 9	Apr 1	Oct 26
1986	Apr 23	Oct 19	Mar 23	Nov 14
1985	Apr 11	Oct 27	Apr 10	Dec 3
1984	Apr 10	Nov 3	Mar 25	Nov 8
1983	Apr 20	Oct 30	Apr 19	Oct 30

"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.