Frost history / King City, CA
King City, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00044555, 1951 to 2025, measured from daily minimum temperatures.
Elevation 320 ft, 36.207, -121.138. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 19 | Nov 10 |
| Earliest | Jan 8 (2000) | Aug 1 (1964) |
| Latest | Apr 29 (1984) | Dec 26 (2014) |
| Trend | 6.2 days earlier per decade | 4.0 days later per decade |
| Years with data | 66, 2 with no freeze | 61 |
At 28°F (hard freeze) the median last spring date is Feb 10 and the median first fall date is Nov 28.
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 | Feb 11 | Dec 4 | Feb 10 | none |
| 2024 | Feb 11 | Nov 16 | Jan 12 | none |
| 2023 | Mar 8 | Nov 9 | Feb 17 | Dec 9 |
| 2022 | Mar 11 | Nov 4 | Feb 26 | none |
| 2021 | Mar 16 | Nov 25 | none | none |
| 2020 | Apr 3 | Nov 8 | Feb 5 | Nov 10 |
| 2019 | Mar 14 | Oct 31 | Feb 19 | none |
| 2018 | Mar 3 | Nov 12 | Feb 28 | Dec 29 |
| 2017 | Mar 1 | Dec 2 | none | Dec 5 |
| 2016 | none | Nov 29 | none | Dec 17 |
| 2015 | Feb 25 | Nov 27 | Jan 3 | Nov 28 |
| 2014 | Feb 5 | Dec 26 | none | Dec 29 |
| 2013 | Feb 27 | Dec 4 | Feb 10 | Dec 4 |
| 2012 | Mar 9 | no data | Jan 19 | no data |
| 2011 | Apr 9 | Nov 8 | Feb 27 | Dec 4 |
| 2010 | none | Nov 24 | none | Nov 25 |
| 2009 | Mar 23 | Nov 15 | Jan 4 | Nov 19 |
| 2008 | Mar 31 | Oct 12 | none | Dec 18 |
| 2007 | Mar 1 | Nov 22 | Jan 23 | Dec 1 |
| 2006 | Mar 19 | Nov 10 | Feb 22 | Nov 24 |
| 2005 | Jan 30 | Nov 27 | none | Nov 27 |
| 2004 | Feb 12 | Nov 22 | Jan 4 | Nov 22 |
| 2003 | Feb 10 | no data | Feb 9 | no data |
| 2002 | Mar 19 | Dec 23 | Feb 4 | none |
| 2001 | Feb 8 | Nov 27 | Jan 31 | none |
| 2000 | Jan 8 | Nov 10 | Jan 8 | Nov 12 |
| 1999 | Apr 10 | no data | Feb 2 | no data |
| 1998 | Mar 28 | no data | none | no data |
| 1997 | Mar 13 | Dec 9 | Jan 7 | Dec 23 |
| 1996 | Feb 27 | Oct 21 | Jan 26 | Dec 3 |
| 1993 | Feb 2 | Nov 15 | Jan 5 | Nov 24 |
| 1992 | Feb 4 | Nov 10 | Jan 25 | Nov 11 |
| 1991 | Feb 1 | Nov 16 | Jan 30 | Nov 29 |
| 1990 | Feb 20 | Nov 3 | Feb 19 | Nov 27 |
| 1989 | Feb 14 | no data | Feb 7 | no data |
| 1988 | Mar 13 | Nov 20 | Feb 5 | Dec 26 |
| 1987 | Mar 21 | Nov 24 | Feb 27 | Nov 26 |
| 1986 | Feb 10 | Nov 9 | Feb 10 | none |
| 1985 | Mar 31 | Nov 12 | Feb 10 | Nov 19 |
| 1984 | Apr 29 | Oct 27 | Apr 27 | Nov 26 |
| 1983 | Apr 14 | Nov 8 | Jan 20 | Nov 8 |
| 1982 | Apr 7 | Nov 3 | Apr 7 | Nov 11 |
| 1981 | Apr 11 | Oct 12 | Jan 7 | Dec 23 |
| 1980 | no data | Nov 2 | no data | Nov 13 |
| 1979 | no data | Nov 19 | no data | Nov 20 |
| 1978 | no data | Oct 30 | no data | Nov 12 |
| 1977 | Mar 31 | no data | Mar 14 | no data |
| 1976 | Apr 2 | no data | Mar 4 | no data |
| 1975 | no data | Oct 24 | no data | Nov 18 |
| 1972 | Apr 20 | no data | Mar 27 | no data |
| 1971 | Apr 25 | Oct 25 | Mar 7 | Oct 30 |
| 1970 | Apr 29 | Oct 27 | Feb 20 | Dec 15 |
| 1969 | Mar 16 | Nov 18 | Jan 31 | Nov 18 |
| 1968 | Apr 22 | no data | Jan 28 | no data |
| 1967 | Apr 28 | Nov 26 | Mar 6 | Dec 11 |
| 1966 | Mar 17 | Oct 15 | Mar 4 | Dec 25 |
| 1965 | Mar 25 | Nov 26 | Feb 13 | Dec 15 |
| 1964 | no data | Aug 1 | no data | Nov 18 |
| 1963 | Apr 2 | Nov 18 | Jan 22 | Dec 11 |
| 1962 | Mar 25 | Nov 18 | Feb 28 | Nov 29 |
| 1961 | Apr 20 | Oct 9 | Feb 27 | Nov 17 |
| 1960 | Apr 13 | Oct 13 | Feb 24 | Dec 6 |
| 1959 | Mar 15 | Nov 6 | Feb 3 | Dec 6 |
| 1958 | Mar 9 | no data | Jan 23 | no data |
| 1957 | Apr 23 | Nov 4 | Mar 25 | Nov 28 |
| 1956 | Apr 4 | Oct 24 | Mar 13 | Nov 1 |
| 1955 | Apr 28 | Oct 28 | Apr 19 | Nov 1 |
| 1954 | Mar 22 | Oct 25 | Mar 14 | Nov 30 |
| 1953 | Apr 12 | Oct 21 | Apr 9 | Dec 21 |
| 1952 | Mar 23 | Nov 12 | Feb 18 | Nov 24 |
| 1951 | Apr 1 | Nov 16 | Apr 1 | Dec 7 |
"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.