Frost history / St Augustine Lighthouse, FL
St Augustine Lighthouse, FL: frost dates by year
Last spring and first fall frost at NOAA station USC00087826, 1974 to 2025, measured from daily minimum temperatures.
Elevation 12 ft, 29.886, -81.288. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 10 | Dec 11 |
| Earliest | Jan 3 (2008) | Nov 9 (1991) |
| Latest | Mar 15 (1993) | Dec 25 (1983) |
| Trend | 4.6 days earlier per decade | 0.9 days earlier per decade |
| Years with data | 41, 2 with no freeze | 41, 20 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 27 and the median first fall date is Dec 20.
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 | Jan 22 | no data | none | no data |
| 2024 | no data | none | no data | none |
| 2016 | Jan 24 | no data | none | no data |
| 2015 | Feb 20 | none | none | none |
| 2014 | Jan 7 | no data | Jan 7 | no data |
| 2013 | none | none | none | none |
| 2012 | Feb 12 | none | Feb 12 | none |
| 2011 | Jan 15 | none | Jan 13 | none |
| 2010 | Feb 21 | Dec 7 | Jan 11 | Dec 14 |
| 2009 | Feb 6 | none | Feb 6 | none |
| 2008 | Jan 3 | none | none | none |
| 2007 | Feb 17 | none | none | none |
| 2006 | Feb 15 | none | none | none |
| 2005 | Jan 25 | none | none | none |
| 2004 | Jan 10 | Dec 20 | none | none |
| 2003 | Jan 28 | none | Jan 24 | none |
| 2002 | Feb 28 | none | Jan 5 | none |
| 2001 | Mar 7 | none | Jan 10 | none |
| 2000 | Jan 27 | Dec 18 | Jan 27 | Dec 20 |
| 1999 | Jan 6 | none | Jan 6 | none |
| 1998 | none | none | none | none |
| 1997 | Jan 19 | Dec 7 | Jan 19 | none |
| 1996 | Mar 9 | Dec 20 | Mar 9 | Dec 20 |
| 1995 | Feb 10 | Dec 11 | Feb 9 | Dec 26 |
| 1994 | Feb 3 | none | none | none |
| 1993 | Mar 15 | Dec 12 | Mar 14 | none |
| 1992 | Jan 19 | none | Jan 19 | none |
| 1991 | Feb 17 | Nov 9 | Feb 17 | none |
| 1990 | Jan 14 | Dec 5 | none | none |
| 1989 | Feb 25 | Dec 4 | Feb 25 | Dec 23 |
| 1988 | Mar 15 | Dec 13 | Jan 27 | Dec 19 |
| 1987 | no data | Dec 5 | no data | none |
| 1986 | Mar 2 | no data | Jan 29 | no data |
| 1985 | Feb 16 | Dec 15 | Jan 27 | Dec 26 |
| 1984 | Mar 1 | Dec 7 | none | none |
| 1983 | Feb 8 | Dec 25 | none | Dec 25 |
| 1982 | Jan 15 | none | Jan 15 | none |
| 1981 | Feb 12 | Dec 10 | Feb 12 | Dec 11 |
| 1980 | Mar 4 | none | Mar 4 | none |
| 1979 | Feb 10 | Nov 30 | Feb 2 | none |
| 1978 | no data | none | no data | none |
| 1977 | Feb 17 | Dec 7 | Jan 21 | Dec 27 |
| 1976 | no data | Dec 22 | no data | none |
| 1975 | Jan 14 | Dec 19 | none | Dec 19 |
| 1974 | Feb 27 | Dec 18 | Feb 26 | none |
"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.