Frost history / Carmel Valley, CA
Carmel Valley, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00041534, 1959 to 2021, measured from daily minimum temperatures.
Elevation 480 ft, 36.481, -121.724. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 8 | Nov 30 |
| Earliest | Jan 1 (1961) | Oct 28 (1971) |
| Latest | Apr 29 (1970) | Dec 29 (2018) |
| Trend | 3.7 days earlier per decade | 2.3 days later per decade |
| Years with data | 37, 1 with no freeze | 39, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 17 and the median first fall date is Dec 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 |
|---|---|---|---|---|
| 2021 | Feb 26 | Dec 18 | none | none |
| 2020 | Mar 2 | Nov 9 | Feb 5 | none |
| 2019 | Feb 23 | Dec 27 | Jan 1 | none |
| 2018 | Mar 5 | Dec 29 | Feb 24 | none |
| 2017 | Mar 6 | Dec 4 | none | Dec 21 |
| 2016 | Jan 1 | Dec 17 | none | Dec 18 |
| 2015 | Feb 23 | Nov 26 | Feb 23 | Dec 27 |
| 2014 | none | Dec 26 | none | Dec 31 |
| 2013 | Feb 26 | Dec 4 | Jan 15 | Dec 4 |
| 2012 | Mar 10 | Dec 14 | Jan 18 | Dec 20 |
| 2011 | Apr 9 | Dec 1 | Feb 27 | none |
| 2010 | Mar 11 | Nov 24 | none | Nov 25 |
| 2009 | Mar 23 | Nov 19 | Jan 4 | Dec 6 |
| 2008 | Apr 24 | Dec 16 | none | none |
| 2007 | Mar 1 | Dec 9 | Jan 16 | Dec 27 |
| 2006 | Mar 13 | Nov 24 | Feb 16 | Dec 19 |
| 2005 | Jan 4 | Nov 27 | none | none |
| 2004 | Feb 9 | Nov 20 | Jan 4 | Nov 29 |
| 2003 | Feb 9 | Nov 23 | none | none |
| 2002 | no data | Dec 23 | no data | none |
| 1977 | Mar 29 | Nov 19 | none | none |
| 1976 | Apr 1 | none | Jan 2 | none |
| 1975 | Apr 2 | Nov 18 | Jan 31 | Dec 31 |
| 1974 | Feb 23 | Dec 22 | Jan 2 | Dec 24 |
| 1973 | no data | Nov 4 | no data | none |
| 1972 | Apr 23 | Oct 30 | none | Dec 4 |
| 1971 | Mar 31 | Oct 28 | Mar 2 | Oct 28 |
| 1970 | Apr 29 | Dec 3 | Jan 5 | none |
| 1969 | Mar 16 | Dec 28 | Jan 31 | none |
| 1968 | Apr 21 | Nov 14 | Jan 3 | Dec 18 |
| 1967 | Apr 20 | Dec 11 | Jan 6 | Dec 13 |
| 1966 | Mar 21 | Dec 26 | Mar 3 | Dec 28 |
| 1965 | Feb 13 | Dec 14 | Jan 8 | Dec 15 |
| 1964 | Apr 25 | Nov 14 | Feb 24 | Nov 15 |
| 1963 | Mar 4 | Nov 22 | Jan 19 | none |
| 1962 | Feb 28 | Nov 29 | Feb 28 | Dec 25 |
| 1961 | Jan 1 | Nov 16 | none | none |
| 1960 | Feb 25 | Dec 6 | Jan 4 | none |
| 1959 | Mar 14 | Nov 12 | Jan 4 | 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.