Frost history / Sewanee, TN
Sewanee, TN: frost dates by year
Last spring and first fall frost at NOAA station USC00408184, 2000 to 2025, measured from daily minimum temperatures.
Elevation 1,928 ft, 35.203, -85.917. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 6 | Nov 2 |
| Earliest | Mar 6 (2012) | Oct 8 (2000) |
| Latest | Apr 25 (2005) | Nov 29 (2024) |
| Trend | 6.3 days earlier per decade | 3.5 days later per decade |
| Years with data | 23 | 23 |
At 28°F (hard freeze) the median last spring date is Mar 21 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 | Apr 9 | Nov 10 | Mar 21 | Nov 10 |
| 2024 | Apr 6 | Nov 29 | Mar 20 | Nov 29 |
| 2023 | Mar 22 | Nov 1 | Mar 22 | Nov 1 |
| 2022 | Mar 14 | Oct 17 | Mar 14 | Oct 17 |
| 2021 | Apr 22 | Nov 13 | Apr 3 | Nov 23 |
| 2020 | Mar 7 | Nov 2 | Mar 7 | Dec 1 |
| 2019 | Apr 2 | Nov 1 | Apr 1 | Nov 1 |
| 2018 | Apr 16 | Oct 20 | Mar 21 | Nov 9 |
| 2017 | Mar 19 | Oct 28 | Mar 17 | Oct 29 |
| 2016 | Mar 22 | Nov 19 | Mar 3 | Nov 24 |
| 2015 | no data | Nov 22 | no data | Nov 22 |
| 2014 | no data | Nov 2 | no data | Nov 3 |
| 2013 | Apr 20 | no data | Mar 27 | no data |
| 2012 | Mar 6 | Oct 29 | Feb 20 | Nov 24 |
| 2011 | Mar 26 | Oct 29 | Feb 13 | Nov 18 |
| 2010 | Mar 22 | Nov 6 | Mar 5 | Nov 6 |
| 2009 | Apr 8 | no data | Mar 4 | no data |
| 2008 | Apr 15 | Oct 28 | Mar 25 | Nov 18 |
| 2007 | Apr 9 | no data | Apr 8 | no data |
| 2006 | Mar 27 | Oct 24 | Mar 22 | Nov 21 |
| 2005 | Apr 25 | Nov 17 | Mar 10 | Nov 17 |
| 2004 | Apr 14 | Nov 25 | Mar 23 | Dec 14 |
| 2003 | Apr 11 | Nov 14 | Mar 31 | Nov 25 |
| 2002 | Apr 5 | Nov 2 | Apr 4 | Nov 18 |
| 2001 | Apr 18 | Oct 17 | Mar 27 | Oct 27 |
| 2000 | no data | Oct 8 | no data | Oct 8 |
"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.