Frost history / Oceanside Muni Ap, CA
Oceanside Muni Ap, CA: frost dates by year
Last spring and first fall frost at NOAA station USW00053121, 1999 to 2024, measured from daily minimum temperatures.
Elevation 28 ft, 33.219, -117.349. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Feb 5 | Dec 12 |
| Earliest | Jan 1 (2014) | Nov 7 (2024) |
| Latest | Mar 14 (2002) | Dec 29 (2018) |
| Trend | 2.0 days later per decade | 2.7 days later per decade |
| Years with data | 25, 4 with no freeze | 26, 5 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 15 and the median first fall date is Dec 16.
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 |
|---|---|---|---|---|
| 2024 | Jan 12 | Nov 7 | none | none |
| 2023 | Feb 19 | none | none | none |
| 2022 | Mar 8 | none | none | none |
| 2021 | Mar 3 | Dec 12 | none | none |
| 2020 | Feb 5 | Nov 28 | none | none |
| 2019 | Jan 4 | Dec 17 | Jan 4 | none |
| 2018 | Feb 26 | Dec 29 | none | none |
| 2017 | none | Dec 21 | none | none |
| 2016 | Feb 2 | none | none | none |
| 2015 | Jan 4 | Dec 16 | none | Dec 27 |
| 2014 | Jan 1 | Dec 27 | none | none |
| 2013 | Feb 26 | Dec 13 | Jan 15 | none |
| 2012 | Mar 8 | Dec 20 | none | none |
| 2011 | Feb 3 | Dec 4 | none | Dec 6 |
| 2010 | none | Nov 27 | none | none |
| 2009 | Jan 5 | Dec 23 | none | none |
| 2008 | Jan 20 | none | none | none |
| 2007 | Jan 23 | Dec 26 | Jan 15 | none |
| 2006 | Feb 7 | Nov 30 | none | none |
| 2005 | none | Dec 6 | none | none |
| 2004 | Feb 13 | Nov 30 | none | none |
| 2003 | none | Dec 16 | none | none |
| 2002 | Mar 14 | none | Jan 31 | none |
| 2001 | Feb 8 | Dec 9 | none | none |
| 2000 | Jan 10 | Nov 18 | Jan 8 | none |
| 1999 | no data | Nov 24 | no data | 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 1991–2020 frost probabilities.