Collierville, TN: frost dates by year

Last spring and first fall frost at NOAA station USC00401950, 1997 to 2025, measured from daily minimum temperatures.

Elevation 300 ft, 35.078, -89.665. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Mar 27	Nov 2
Earliest	Mar 15 (2005)	Oct 9 (2000)
Latest	Apr 15 (2008)	Nov 28 (2004)
Trend	3.7 days earlier per decade	7.8 days later per decade
Years with data	14	12

At 28°F (hard freeze) the median last spring date is Mar 11 and the median first fall date is Nov 18.

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	Mar 21	Nov 11	Feb 25	Nov 11
2024	Mar 20	Nov 24	Mar 20	Nov 30
2008	Apr 15	Oct 28	Mar 9	Oct 29
2007	Apr 9	Nov 7	Apr 9	Dec 4
2006	Mar 26	Oct 13	Mar 26	Nov 3
2005	Mar 15	no data	Mar 3	no data
2004	Mar 22	Nov 28	Mar 10	Dec 2
2003	Mar 31	Nov 14	Mar 10	Nov 25
2002	Mar 23	Nov 13	Mar 23	Nov 23
2001	Mar 27	Oct 28	Mar 27	Nov 21
2000	Apr 9	Oct 9	Mar 11	Oct 9
1999	Mar 28	Oct 24	Mar 4	Nov 3
1998	Mar 21	no data	Mar 12	no data
1997	Apr 15	Oct 27	Feb 15	Nov 16

"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 1991–2020 frost probabilities.