Last Frost Day

Frost history / Coalmont, TN

Coalmont, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00401887, 1999 to 2025, measured from daily minimum temperatures.

Elevation 1,856 ft, 35.368, -85.701. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 23Oct 17
EarliestApr 6 (2015)Sep 23 (1999)
LatestMay 22 (2002)Nov 6 (2004)
Trend1.3 days earlier per decade4.7 days later per decade
Years with data2527

At 28°F (hard freeze) the median last spring date is Apr 9 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)

Mar 31Apr 15Apr 30May 15May 302000201020202000: Apr 112001: Apr 262002: May 222003: Apr 232004: May 42005: May 42006: Apr 112007: Apr 132008: Apr 302009: Apr 222010: Apr 102011: May 52012: Apr 142013: May 132014: Apr 172015: Apr 62016: Apr 102018: Apr 302019: Apr 212020: May 102021: Apr 232022: Apr 202023: May 52024: Apr 232025: Apr 14

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 112000201020201999: Sep 232000: Oct 82001: Sep 262002: Oct 182003: Oct 22004: Nov 62005: Oct 242006: Oct 132007: Oct 292008: Oct 192009: Oct 182010: Oct 42011: Oct 22012: Oct 92013: Oct 242014: Oct 52015: Oct 172016: Oct 232017: Oct 262018: Oct 212019: Oct 132020: Oct 172021: Nov 52022: Oct 92023: Oct 82024: Oct 152025: Nov 1

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 14Nov 1Apr 10Nov 10
2024Apr 23Oct 15Mar 20Oct 17
2023May 5Oct 8Mar 30Nov 1
2022Apr 20Oct 9Apr 11Oct 18
2021Apr 23Nov 5Apr 23Nov 6
2020May 10Oct 17Apr 11Nov 2
2019Apr 21Oct 13Apr 2Nov 2
2018Apr 30Oct 21Apr 17Oct 22
2017no dataOct 26no dataOct 30
2016Apr 10Oct 23Mar 24Nov 11
2015Apr 6Oct 17Apr 5Nov 14
2014Apr 17Oct 5Apr 17Nov 2
2013May 13Oct 24May 13Oct 25
2012Apr 14Oct 9Apr 13Oct 31
2011May 5Oct 2Mar 26Oct 22
2010Apr 10Oct 4Mar 8Oct 30
2009Apr 22Oct 18Apr 8Oct 19
2008Apr 30Oct 19Apr 16Oct 29
2007Apr 13Oct 29Apr 10Nov 4
2006Apr 11Oct 13Mar 28Oct 13
2005May 4Oct 24Apr 25Oct 27
2004May 4Nov 6Mar 24Nov 15
2003Apr 23Oct 2Mar 31Nov 14
2002May 22Oct 18Apr 7Nov 2
2001Apr 26Sep 26Apr 19Oct 18
2000Apr 11Oct 8Apr 9Oct 9
1999no dataSep 23no dataOct 24

"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.