Last Frost Day

Frost history / Boone 1 Se, NC

Boone 1 Se, NC: frost dates by year

Last spring and first fall frost at NOAA station USC00310982, 1980 to 2025, measured from daily minimum temperatures.

Elevation 3,100 ft, 36.214, -81.646. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 30Oct 15
EarliestApr 6 (1995)Sep 18 (2000)
LatestMay 27 (2001)Nov 9 (2004)
Trend1.9 days later per decade1.4 days later per decade
Years with data4443

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Oct 27.

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 31Apr 15Apr 30May 15May 30Jun 14198019902000201020201981: May 31982: Apr 231983: May 91984: Apr 241985: Apr 101986: May 41987: Apr 71988: Apr 201989: May 81990: Apr 181991: Apr 221992: Apr 301993: Apr 271994: May 191995: Apr 61996: May 141998: Apr 141999: May 42000: Apr 282001: May 272002: May 242003: Apr 252004: Apr 172005: May 42006: Apr 122007: May 92008: May 12009: May 212010: May 112011: May 72012: Apr 242013: May 152014: May 202015: Apr 292016: Apr 252017: Apr 112018: May 22019: May 152020: May 132021: May 162022: Apr 212023: May 62024: Apr 242025: Apr 18

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26198019902000201020201980: Oct 61981: Oct 31982: Oct 171983: Sep 241984: Nov 61985: Oct 71986: Oct 191987: Oct 41988: Oct 61989: Oct 91990: Oct 191991: Sep 221992: Sep 301993: Oct 11994: Oct 271995: Oct 221998: Oct 231999: Oct 212000: Sep 182001: Oct 72002: Oct 182003: Oct 12004: Nov 92005: Oct 272007: Oct 132008: Oct 192009: Oct 192010: Oct 152011: Oct 222012: Oct 132013: Oct 212014: Oct 202015: Oct 182016: Oct 122017: Oct 22018: Oct 192019: Oct 152020: Oct 32021: Nov 52022: Sep 282023: Oct 92024: Oct 112025: Oct 18

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 18Oct 18Apr 10Oct 24
2024Apr 24Oct 11Apr 24Oct 18
2023May 6Oct 9Apr 26Nov 1
2022Apr 21Sep 28Apr 21Oct 19
2021May 16Nov 5Apr 24Nov 6
2020May 13Oct 3May 11Nov 2
2019May 15Oct 15Apr 3Oct 24
2018May 2Oct 19Apr 22Oct 22
2017Apr 11Oct 2Apr 11Oct 30
2016Apr 25Oct 12Apr 18Nov 5
2015Apr 29Oct 18Apr 6Oct 19
2014May 20Oct 20Apr 18Oct 31
2013May 15Oct 21Apr 24Oct 25
2012Apr 24Oct 13Apr 14Oct 30
2011May 7Oct 22Apr 7Oct 22
2010May 11Oct 15Mar 28Oct 23
2009May 21Oct 19Apr 9Oct 19
2008May 1Oct 19Apr 17Oct 19
2007May 9Oct 13Apr 11Oct 29
2006Apr 12no dataApr 11no data
2005May 4Oct 27Apr 25Oct 27
2004Apr 17Nov 9Apr 6Nov 10
2003Apr 25Oct 1Apr 2Oct 3
2002May 24Oct 18May 20Nov 3
2001May 27Oct 7Apr 20Oct 7
2000Apr 28Sep 18Apr 10Oct 12
1999May 4Oct 21Mar 31Oct 26
1998Apr 14Oct 23Apr 7Oct 23
1996May 14no dataApr 11no data
1995Apr 6Oct 22Apr 6Nov 4
1994May 19Oct 27Apr 9Oct 27
1993Apr 27Oct 1Apr 23Oct 31
1992Apr 30Sep 30Apr 6Oct 8
1991Apr 22Sep 22Mar 31Nov 3
1990Apr 18Oct 19Apr 18Oct 27
1989May 8Oct 9May 7Oct 9
1988Apr 20Oct 6Apr 20Oct 13
1987Apr 7Oct 4Apr 6Oct 9
1986May 4Oct 19Apr 23Nov 13
1985Apr 10Oct 7Apr 10Nov 8
1984Apr 24Nov 6Apr 1Nov 6
1983May 9Sep 24Apr 21Nov 5
1982Apr 23Oct 17Apr 23Nov 5
1981May 3Oct 3Apr 7Oct 20
1980no dataOct 6no dataNov 6

"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.