Copper Hill, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00441999, 2011 to 2025, measured from daily minimum temperatures.

Elevation 2,846 ft, 37.082, -80.135. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 20	Oct 29
Earliest	Apr 6 (2015)	Oct 8 (2023)
Latest	Apr 26 (2013)	Nov 13 (2016)
Trend	6.7 days later per decade	6.1 days earlier per decade
Years with data	13	15

At 28°F (hard freeze) the median last spring date is Apr 3 and the median first fall date is Nov 4.

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

"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.