Sandston, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00447541, 2002 to 2015, measured from daily minimum temperatures.

Elevation 165 ft, 37.544, -77.276. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 7	Oct 30
Earliest	Mar 12 (2012)	Oct 18 (2015)
Latest	Apr 18 (2005)	Nov 7 (2010)
Trend	4.6 days earlier per decade	2.5 days earlier per decade
Years with data	14	14

At 28°F (hard freeze) the median last spring date is Mar 29 and the median first fall date is Nov 11.

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
2015	Apr 6	Oct 18	Mar 30	Nov 24
2014	Apr 17	Nov 3	Mar 28	Nov 3
2013	Apr 5	Oct 26	Apr 4	Oct 27
2012	Mar 12	Nov 3	Mar 12	Nov 6
2011	Apr 7	Oct 30	Mar 30	Nov 12
2010	Mar 28	Nov 7	Mar 10	Nov 28
2009	Mar 26	Oct 20	Mar 26	Nov 5
2008	Apr 17	Oct 30	Mar 11	Nov 19
2007	Apr 11	Nov 5	Apr 10	Nov 8
2006	Apr 10	Oct 25	Mar 23	Nov 4
2005	Apr 18	Oct 27	Apr 15	Nov 18
2004	Apr 7	Nov 6	Apr 7	Nov 10
2003	Mar 31	Oct 24	Mar 15	Dec 3
2002	Apr 9	Nov 2	Apr 9	Nov 19

"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.