Last Frost Day

Frost history / Roanoke 8 N, VA

Roanoke 8 N, VA: frost dates by year

Last spring and first fall frost at NOAA station USC00447278, 1998 to 2025, measured from daily minimum temperatures.

Elevation 1,157 ft, 37.362, -79.959. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 8Oct 30
EarliestMar 12 (2012)Oct 3 (2003)
LatestMay 10 (2020)Nov 18 (2020)
Trend4.8 days later per decade4.6 days later per decade
Years with data2728

At 28°F (hard freeze) the median last spring date is Mar 28 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)

Mar 1Mar 16Mar 31Apr 15Apr 30May 152000201020201998: Apr 131999: Apr 12000: Mar 192001: Apr 202002: Apr 72003: Apr 12005: Apr 172006: Mar 282007: Apr 122008: Apr 162009: Mar 232010: Mar 282011: Apr 72012: Mar 122013: Apr 52014: Apr 182015: Apr 62016: Apr 112017: Mar 242018: Apr 212019: Apr 42020: May 102021: Apr 252022: Apr 212023: Apr 102024: Apr 82025: Apr 13

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 262000201020201998: Oct 231999: Oct 252000: Oct 302001: Oct 82002: Nov 22003: Oct 32004: Nov 102005: Oct 272006: Oct 132007: Oct 302008: Oct 312009: Oct 192010: Nov 72011: Oct 302012: Nov 52013: Oct 262014: Nov 82015: Oct 192016: Nov 132017: Nov 112018: Oct 222019: Nov 22020: Nov 182021: Nov 32022: Oct 202023: Oct 232024: Nov 132025: Oct 25

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2025Apr 13Oct 25Apr 10Nov 11
2024Apr 8Nov 13Mar 25Nov 30
2023Apr 10Oct 23Mar 22Nov 2
2022Apr 21Oct 20Mar 30Nov 14
2021Apr 25Nov 3Apr 4Nov 20
2020May 10Nov 18Apr 2Nov 19
2019Apr 4Nov 2Apr 2Nov 2
2018Apr 21Oct 22Apr 6Nov 11
2017Mar 24Nov 11Mar 24Nov 11
2016Apr 11Nov 13Apr 11Nov 13
2015Apr 6Oct 19Mar 30Nov 21
2014Apr 18Nov 8Mar 28Nov 8
2013Apr 5Oct 26Mar 23Oct 26
2012Mar 12Nov 5Mar 7Nov 6
2011Apr 7Oct 30Mar 29Nov 6
2010Mar 28Nov 7Mar 7Nov 7
2009Mar 23Oct 19Mar 23Dec 6
2008Apr 16Oct 31Mar 26Nov 11
2007Apr 12Oct 30Apr 12Nov 8
2006Mar 28Oct 13Mar 28Nov 4
2005Apr 17Oct 27Mar 19Nov 18
2004no dataNov 10no dataNov 26
2003Apr 1Oct 3Mar 9Nov 10
2002Apr 7Nov 2Apr 7Nov 6
2001Apr 20Oct 8Mar 29Oct 29
2000Mar 19Oct 30Mar 19Nov 16
1999Apr 1Oct 25Apr 1Nov 18
1998Apr 13Oct 23Mar 25Oct 26

"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.