Frost history / Pinnacles Nm, CA
Pinnacles Nm, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00046926, 1951 to 2025, measured from daily minimum temperatures.
Elevation 1,307 ft, 36.482, -121.182. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Apr 21 | Oct 31 |
| Earliest | Feb 7 (1992) | Aug 19 (1998) |
| Latest | Jun 21 (1991) | Dec 1 (2025) |
| Trend | 1.1 days earlier per decade | 1.7 days earlier per decade |
| Years with data | 57 | 58 |
At 28°F (hard freeze) the median last spring date is Mar 13 and the median first fall date is Nov 23.
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 | Apr 4 | Dec 1 | Feb 11 | none |
| 2024 | Apr 6 | Nov 13 | Jan 12 | Nov 17 |
| 2023 | Apr 19 | Oct 29 | Mar 27 | Nov 25 |
| 2022 | no data | Nov 3 | no data | Nov 11 |
| 2021 | Mar 27 | no data | Mar 22 | no data |
| 2019 | no data | Oct 29 | no data | Nov 1 |
| 2018 | Mar 27 | no data | Mar 5 | no data |
| 2017 | no data | Nov 6 | no data | Dec 5 |
| 2015 | no data | Nov 6 | no data | Nov 16 |
| 2014 | Apr 1 | no data | Feb 5 | no data |
| 2011 | no data | Oct 26 | no data | Nov 8 |
| 2009 | May 22 | no data | Apr 30 | no data |
| 2008 | May 10 | no data | Apr 24 | no data |
| 2007 | Apr 21 | Sep 21 | Apr 19 | Nov 20 |
| 2006 | May 28 | Oct 30 | Apr 19 | Nov 24 |
| 2005 | Apr 19 | Oct 29 | Jan 14 | Nov 26 |
| 2004 | May 17 | Oct 21 | Apr 18 | Oct 29 |
| 2003 | May 9 | Oct 31 | Feb 10 | Nov 1 |
| 2002 | Apr 21 | Oct 28 | Mar 19 | Dec 23 |
| 2001 | Apr 21 | no data | Apr 9 | no data |
| 2000 | Mar 29 | Nov 2 | Jan 8 | Nov 11 |
| 1999 | no data | Oct 30 | no data | Nov 23 |
| 1998 | no data | Aug 19 | no data | Aug 19 |
| 1997 | Apr 10 | Oct 25 | Apr 10 | Dec 12 |
| 1996 | Mar 30 | Oct 21 | Feb 26 | Dec 3 |
| 1995 | Mar 28 | Nov 27 | Mar 28 | none |
| 1994 | May 18 | Nov 3 | Mar 24 | Nov 3 |
| 1993 | May 25 | Sep 23 | May 12 | Nov 13 |
| 1992 | Feb 7 | Nov 10 | Jan 26 | Nov 11 |
| 1991 | Jun 21 | Oct 24 | Jun 21 | Nov 16 |
| 1990 | Mar 14 | Nov 1 | Feb 20 | Nov 27 |
| 1989 | May 13 | Nov 1 | Feb 15 | Nov 28 |
| 1987 | Apr 19 | Nov 15 | Mar 22 | Nov 26 |
| 1986 | May 11 | Nov 26 | Feb 10 | Nov 30 |
| 1985 | May 12 | Oct 9 | Mar 26 | Nov 13 |
| 1984 | Apr 29 | Oct 27 | Apr 27 | Nov 26 |
| 1983 | Apr 15 | Oct 31 | Apr 14 | Nov 8 |
| 1982 | Apr 17 | Oct 28 | Feb 24 | Nov 11 |
| 1981 | Apr 11 | Oct 4 | Jan 7 | Nov 29 |
| 1978 | Apr 7 | no data | Jan 25 | no data |
| 1977 | no data | Nov 19 | no data | Nov 20 |
| 1976 | Apr 9 | Nov 27 | Apr 2 | Nov 27 |
| 1975 | May 6 | Oct 24 | Mar 29 | Nov 18 |
| 1974 | May 18 | Nov 2 | Mar 9 | Dec 23 |
| 1973 | Apr 18 | no data | Jan 28 | no data |
| 1972 | May 19 | Oct 31 | Mar 28 | Dec 2 |
| 1971 | Apr 26 | Oct 18 | Mar 6 | Oct 30 |
| 1970 | Apr 29 | Oct 27 | Jan 29 | Dec 24 |
| 1969 | Mar 16 | Oct 13 | Mar 10 | Nov 18 |
| 1968 | Apr 21 | Nov 14 | Jan 28 | Dec 3 |
| 1967 | Apr 30 | Nov 28 | Apr 20 | Dec 2 |
| 1966 | no data | Nov 9 | no data | Nov 24 |
| 1965 | no data | Nov 26 | no data | Dec 15 |
| 1964 | May 7 | Nov 14 | Mar 9 | Nov 14 |
| 1963 | Apr 17 | Oct 31 | Apr 2 | Nov 22 |
| 1962 | Mar 24 | Nov 28 | Mar 13 | Nov 29 |
| 1961 | May 5 | Oct 10 | Apr 20 | Nov 16 |
| 1960 | Mar 10 | Nov 19 | Feb 25 | Nov 27 |
| 1959 | May 5 | Oct 31 | Feb 13 | Dec 5 |
| 1958 | Apr 25 | Nov 12 | Mar 7 | Nov 16 |
| 1957 | Apr 8 | Nov 6 | Feb 5 | Dec 1 |
| 1956 | Apr 4 | Oct 24 | Mar 13 | Nov 20 |
| 1955 | Jun 1 | Nov 12 | Apr 19 | Nov 23 |
| 1954 | May 1 | Nov 30 | Mar 22 | Nov 30 |
| 1953 | May 26 | no data | Apr 12 | no data |
| 1952 | May 4 | Nov 2 | Mar 23 | Nov 18 |
| 1951 | Apr 1 | Nov 16 | Mar 11 | Nov 23 |
"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.