Last Frost Day

Frost history / Soddy Daisy-Mowbray Mtn, TN

Soddy Daisy-Mowbray Mtn, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00408445, 1998 to 2025, measured from daily minimum temperatures.

Elevation 1,700 ft, 35.280, -85.241. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 13Oct 27
EarliestMar 19 (2024)Sep 26 (2001)
LatestMay 10 (2020)Nov 27 (2024)
Trend2.4 days earlier per decade6.2 days later per decade
Years with data2121

At 28°F (hard freeze) the median last spring date is Mar 30 and the median first fall date is Nov 6.

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: Mar 232001: Apr 202002: Apr 72003: Mar 312004: May 42005: May 42006: Apr 102007: Apr 132008: Apr 302009: Apr 222010: Apr 102012: Apr 132017: Apr 92018: Apr 172019: Apr 12020: May 102021: Apr 222022: Apr 102023: Mar 212024: Mar 192025: Apr 13

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11Nov 26Dec 112000201020201998: Nov 62000: Oct 82001: Sep 262002: Nov 22003: Oct 282004: Nov 62005: Oct 272006: Oct 132007: Oct 292008: Oct 252009: Oct 182011: Oct 222016: Oct 232017: Oct 262018: Oct 212019: Nov 12020: Nov 22021: Nov 132022: Oct 182023: Nov 12024: Nov 27

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 13no dataMar 21no data
2024Mar 19Nov 27Mar 19Nov 29
2023Mar 21Nov 1Mar 20Nov 1
2022Apr 10Oct 18Apr 10Nov 13
2021Apr 22Nov 13Apr 22Nov 14
2020May 10Nov 2Mar 8Nov 18
2019Apr 1Nov 1Mar 20Nov 8
2018Apr 17Oct 21Apr 17Nov 10
2017Apr 9Oct 26Apr 8Oct 29
2016no dataOct 23no dataNov 15
2012Apr 13no dataApr 12no data
2011no dataOct 22no dataOct 30
2010Apr 10no dataMar 7no data
2009Apr 22Oct 18Mar 30Oct 19
2008Apr 30Oct 25Mar 26Oct 28
2007Apr 13Oct 29Apr 9Nov 6
2006Apr 10Oct 13Mar 27Oct 13
2005May 4Oct 27Mar 10Oct 29
2004May 4Nov 6May 4Nov 15
2003Mar 31Oct 28Mar 31Nov 14
2002Apr 7Nov 2Apr 6Nov 2
2001Apr 20Sep 26Apr 20Sep 26
2000no dataOct 8no dataOct 9
1998Mar 23Nov 6Mar 15Dec 18

"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.