Frost history / Madera, CA
Madera, CA: frost dates by year
Last spring and first fall frost at NOAA station USC00045233, 1951 to 2020, measured from daily minimum temperatures.
Elevation 270 ft, 36.954, -120.038. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | Mar 3 | Nov 23 |
| Earliest | Jan 21 (1983) | Oct 18 (1984) |
| Latest | Apr 21 (1963) | Dec 26 (2014) |
| Trend | 2.9 days earlier per decade | 1.3 days later per decade |
| Years with data | 52 | 59, 1 with no freeze |
At 28°F (hard freeze) the median last spring date is Jan 25 and the median first fall date is Dec 4.
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 |
|---|---|---|---|---|
| 2020 | Feb 10 | no data | Feb 4 | no data |
| 2019 | no data | none | no data | none |
| 2018 | no data | Nov 12 | no data | none |
| 2017 | Mar 6 | Dec 4 | Jan 5 | Dec 5 |
| 2016 | Feb 3 | Dec 7 | Jan 1 | Dec 19 |
| 2015 | Jan 26 | Nov 26 | Jan 3 | Dec 15 |
| 2014 | Feb 4 | Dec 26 | none | Dec 31 |
| 2013 | no data | Dec 4 | no data | Dec 4 |
| 2012 | Mar 8 | no data | Jan 19 | no data |
| 2011 | no data | Dec 3 | no data | Dec 3 |
| 2010 | no data | Nov 24 | no data | Nov 24 |
| 2009 | Mar 9 | Nov 18 | none | Dec 7 |
| 2008 | Mar 17 | no data | Jan 2 | no data |
| 2007 | no data | Nov 23 | no data | Dec 1 |
| 2006 | Mar 13 | Nov 24 | Feb 22 | Nov 29 |
| 2004 | Feb 11 | Nov 23 | Jan 5 | Nov 29 |
| 2003 | no data | Nov 4 | no data | Nov 23 |
| 2000 | no data | Nov 11 | no data | Nov 15 |
| 1999 | no data | Nov 22 | no data | Dec 11 |
| 1998 | Mar 7 | Dec 4 | none | Dec 10 |
| 1996 | Feb 28 | no data | none | no data |
| 1995 | Feb 18 | Dec 21 | none | none |
| 1994 | Feb 23 | Nov 11 | Jan 8 | Nov 19 |
| 1993 | Feb 14 | Nov 15 | Jan 5 | Nov 25 |
| 1992 | Feb 3 | Nov 23 | none | Dec 5 |
| 1991 | Feb 2 | Nov 15 | Jan 29 | Dec 1 |
| 1990 | Mar 13 | Nov 7 | Feb 15 | Dec 2 |
| 1989 | Feb 15 | Nov 27 | Feb 8 | Dec 12 |
| 1988 | Mar 11 | Dec 9 | Feb 4 | Dec 27 |
| 1987 | Mar 19 | Nov 26 | Jan 21 | Dec 14 |
| 1986 | no data | Nov 30 | no data | Nov 30 |
| 1985 | Mar 26 | Nov 13 | Mar 3 | Nov 19 |
| 1984 | Feb 22 | Oct 18 | none | Nov 26 |
| 1983 | Jan 21 | Nov 8 | none | none |
| 1982 | Apr 7 | Nov 11 | Feb 11 | Dec 8 |
| 1981 | Feb 3 | no data | none | no data |
| 1979 | Mar 2 | Nov 20 | Feb 3 | Dec 13 |
| 1978 | Jan 26 | Nov 12 | none | Dec 6 |
| 1977 | Feb 26 | Nov 20 | Jan 10 | Nov 20 |
| 1976 | Apr 13 | Nov 27 | Jan 25 | Nov 28 |
| 1975 | Apr 7 | Oct 31 | Feb 22 | Nov 19 |
| 1974 | Mar 4 | Nov 23 | Jan 2 | Dec 22 |
| 1973 | Jan 24 | Nov 4 | Jan 7 | none |
| 1972 | Mar 27 | Oct 30 | Feb 4 | Dec 5 |
| 1971 | Mar 6 | Oct 29 | Mar 2 | Oct 29 |
| 1970 | Mar 3 | Dec 24 | Jan 7 | none |
| 1969 | Feb 1 | Nov 24 | none | Dec 28 |
| 1968 | Jan 29 | Nov 29 | Jan 5 | Dec 5 |
| 1967 | Feb 14 | Dec 2 | Jan 7 | Dec 14 |
| 1966 | no data | Nov 23 | no data | Dec 28 |
| 1965 | no data | Nov 29 | no data | Dec 16 |
| 1964 | Mar 8 | Nov 14 | Feb 14 | none |
| 1963 | Apr 21 | Dec 13 | Jan 25 | Dec 13 |
| 1962 | Mar 4 | Nov 18 | Feb 28 | Nov 29 |
| 1961 | Mar 7 | Oct 29 | Jan 22 | Nov 17 |
| 1960 | Mar 2 | Dec 6 | Jan 17 | Dec 8 |
| 1959 | Feb 13 | Nov 29 | Feb 9 | Dec 6 |
| 1958 | Jan 23 | Nov 16 | none | Nov 16 |
| 1957 | Feb 5 | Nov 16 | Feb 4 | Nov 22 |
| 1956 | Apr 2 | Nov 14 | Mar 7 | Nov 21 |
| 1955 | Apr 3 | Nov 12 | Feb 19 | Nov 25 |
| 1954 | Mar 13 | Nov 27 | Jan 13 | Dec 26 |
| 1953 | no data | Nov 18 | no data | Dec 25 |
| 1952 | Mar 22 | Nov 24 | Jan 22 | Nov 26 |
| 1951 | Apr 1 | no data | Mar 31 | no data |
"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.