Radford 3 N, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00446999, 2007 to 2025, measured from daily minimum temperatures.

Elevation 1,800 ft, 37.201, -80.586. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 26	Oct 19
Earliest	Apr 7 (2011)	Oct 3 (2008)
Latest	May 20 (2009)	Nov 4 (2021)
Trend	4.0 days earlier per decade	3.1 days later per decade
Years with data	18	19

At 28°F (hard freeze) the median last spring date is Apr 14 and the median first fall date is Oct 30.

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	Apr 17	Oct 21	Apr 14	Oct 25
2024	Apr 24	Oct 18	Apr 8	Nov 14
2023	Apr 27	Oct 24	Apr 11	Nov 2
2022	Apr 21	Oct 9	Apr 21	Oct 10
2021	May 15	Nov 4	Apr 24	Nov 6
2020	May 11	Oct 17	May 11	Nov 5
2019	Apr 17	Oct 16	Apr 16	Nov 2
2018	May 1	Oct 19	Apr 21	Oct 22
2017	Apr 10	Oct 17	Apr 9	Nov 11
2016	Apr 17	Oct 26	Apr 13	Nov 6
2015	Apr 27	Oct 17	Apr 5	Oct 19
2014	Apr 21	Oct 27	Apr 17	Nov 2
2013	May 14	Oct 21	Apr 6	Oct 26
2012	Apr 14	Oct 17	Mar 11	Nov 6
2011	Apr 7	Oct 22	Apr 6	Oct 23
2010	May 10	Oct 23	May 10	Oct 30
2009	May 20	Oct 19	Apr 1	Oct 19
2008	Apr 30	Oct 3	Apr 17	Oct 19
2007	no data	Oct 13	no data	Oct 29

"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.