Last Frost Day

Frost history / Point Mugu Nf, CA

Point Mugu Nf, CA: frost dates by year

Last spring and first fall frost at NOAA station USW00093111, 1951 to 2024, measured from daily minimum temperatures.

Elevation 13 ft, 34.117, -119.117. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJan 29Dec 14
EarliestJan 3 (1976)Nov 17 (1958)
LatestMar 8 (2012)Dec 28 (1969)
Trend3.3 days later per decade1.5 days earlier per decade
Years with data63, 50 with no freeze59, 46 with no freeze

At 28°F (hard freeze) the median last spring date is Feb 27 and the median first fall date is Dec 10.

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)

Dec 16Dec 31Jan 15Jan 30Feb 14Mar 1Mar 1619601970198019902000201020201958: Jan 231970: Jan 51971: Feb 271975: Jan 291976: Jan 31979: Jan 291987: Jan 171990: Feb 152002: Jan 302007: Jan 172009: Jan 52011: Feb 272012: Mar 8

First fall frost (32°F)

Nov 11Nov 26Dec 11Dec 26Jan 1019601970198019902000201020201958: Nov 171962: Dec 281968: Dec 211969: Dec 281971: Dec 91972: Dec 91974: Dec 231978: Dec 71987: Dec 241990: Dec 222007: Dec 142008: Nov 182011: Dec 9

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2024nonenonenonenone
2023no datanoneno datanone
2022noneno datanoneno data
2021nonenonenonenone
2020no datanoneno datanone
2019noneno datanoneno data
2012Mar 8no datanoneno data
2011Feb 27Dec 9nonenone
2010noneno datanoneno data
2009Jan 5nonenonenone
2008noneNov 18nonenone
2007Jan 17Dec 14nonenone
2005nonenonenonenone
2004nonenonenonenone
2003nonenonenonenone
2002Jan 30nonenonenone
2001nonenonenonenone
1998nonenonenonenone
1997nonenonenonenone
1996nonenonenonenone
1995noneno datanoneno data
1994nonenonenonenone
1993nonenonenonenone
1992nonenonenonenone
1991nonenonenonenone
1990Feb 15Dec 22nonenone
1989nonenonenonenone
1988nonenonenonenone
1987Jan 17Dec 24nonenone
1986nonenonenonenone
1985nonenonenonenone
1984nonenonenonenone
1983noneno datanoneno data
1982nonenonenonenone
1981nonenonenonenone
1980nonenonenonenone
1979Jan 29nonenonenone
1978noneDec 7nonenone
1977nonenonenonenone
1976Jan 3nonenonenone
1975Jan 29nonenonenone
1974noneDec 23nonenone
1973nonenonenonenone
1972noneDec 9noneDec 10
1971Feb 27Dec 9Feb 27Dec 9
1970Jan 5nonenonenone
1969noneDec 28nonenone
1968noneDec 21nonenone
1967nonenonenonenone
1966nonenonenonenone
1965nonenonenonenone
1964nonenonenonenone
1963nonenonenonenone
1962noneDec 28nonenone
1961nonenonenonenone
1960nonenonenonenone
1959nonenonenonenone
1958Jan 23Nov 17nonenone
1957nonenonenonenone
1956nonenonenonenone
1955nonenonenonenone
1954nonenonenonenone
1953nonenonenonenone
1952nonenonenonenone
1951nonenonenonenone

"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.