Frost history / Cary, NC
Cary, NC: frost dates by year
Last spring and first fall frost at NOAA station USC00311535, 2001 to 2025, measured from daily minimum temperatures.
Elevation 390 ft, 35.720, -78.788. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 29 | Nov 11 |
| Earliest | Feb 26 (2024) | Oct 26 (2013) |
| Latest | Apr 17 (2014) | Nov 29 (2024) |
| Trend | 5.5 days earlier per decade | 2.4 days later per decade |
| Years with data | 23 | 25 |
At 28°F (hard freeze) the median last spring date is Mar 9 and the median first fall date is Nov 24.
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 7 | Nov 11 | Mar 4 | Nov 29 |
| 2024 | Feb 26 | Nov 29 | Feb 19 | Nov 30 |
| 2023 | Mar 22 | Nov 2 | Mar 22 | Nov 29 |
| 2022 | Mar 29 | Nov 14 | Mar 14 | Nov 18 |
| 2021 | Apr 4 | Nov 14 | Apr 3 | Nov 24 |
| 2020 | Mar 9 | Nov 18 | Mar 2 | Dec 3 |
| 2019 | Apr 4 | Nov 9 | Mar 8 | Nov 13 |
| 2018 | Apr 9 | Nov 11 | Mar 16 | Nov 23 |
| 2017 | Mar 24 | Nov 11 | Mar 18 | Nov 11 |
| 2016 | Apr 11 | Nov 13 | Feb 28 | Dec 10 |
| 2015 | Mar 30 | Nov 15 | Mar 30 | Nov 23 |
| 2014 | Apr 17 | Nov 3 | Mar 28 | Nov 15 |
| 2013 | Mar 31 | Oct 26 | Mar 23 | Nov 13 |
| 2012 | Mar 12 | Nov 23 | Mar 6 | Nov 25 |
| 2011 | Mar 30 | Oct 30 | Mar 5 | Nov 18 |
| 2010 | Mar 8 | Nov 7 | Mar 7 | Nov 28 |
| 2009 | Mar 23 | Nov 28 | Mar 5 | Dec 7 |
| 2008 | Mar 26 | Oct 30 | Mar 1 | Nov 19 |
| 2007 | Apr 11 | Nov 11 | Apr 9 | Nov 24 |
| 2006 | Mar 28 | Nov 4 | Mar 9 | Nov 5 |
| 2005 | Mar 20 | Nov 11 | Mar 11 | Nov 18 |
| 2004 | Apr 6 | Nov 10 | Mar 24 | Nov 27 |
| 2003 | Apr 1 | Nov 14 | Mar 9 | Dec 7 |
| 2002 | no data | Nov 19 | no data | Nov 28 |
| 2001 | no data | Oct 29 | no data | Dec 25 |
"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.