Last Frost Day

Frost history / Cranford, NJ

Cranford, NJ: frost dates by year

Last spring and first fall frost at NOAA station USC00282023, 1969 to 2015, measured from daily minimum temperatures.

Elevation 80 ft, 40.667, -74.324. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 27Oct 15
EarliestMar 29 (2010)Oct 2 (1987)
LatestJun 12 (1979)Nov 6 (1973)
Trend4.0 days earlier per decade0.7 days later per decade
Years with data4441

At 28°F (hard freeze) the median last spring date is Apr 11 and the median first fall date is Oct 29.

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)

Mar 16Mar 31Apr 15Apr 30May 15May 30Jun 14Jun 29197019801990200020101969: Apr 141970: Apr 131971: Apr 181972: Apr 281973: Apr 151974: May 81975: Apr 281976: May 51977: May 91978: May 41979: Jun 121980: Apr 231981: May 91982: Apr 231983: May 181984: May 101985: May 91986: May 121987: Apr 291988: Apr 271989: Apr 241990: Apr 191991: Apr 131992: Apr 301993: Apr 281994: May 141995: Apr 181996: May 141997: Apr 281998: Apr 131999: May 12000: Apr 152001: Apr 272002: Apr 272003: Apr 152004: Apr 162005: Apr 182006: Apr 112007: Apr 122008: May 12009: Apr 242010: Mar 292013: Apr 42014: Apr 16

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11197019801990200020101969: Oct 231970: Oct 181971: Nov 51972: Oct 101973: Nov 61974: Oct 31975: Oct 311977: Oct 181978: Oct 91979: Oct 101981: Oct 131982: Oct 111983: Oct 211984: Oct 61985: Oct 81986: Oct 71987: Oct 21988: Oct 91989: Oct 101990: Oct 271991: Oct 211992: Oct 201993: Oct 111994: Oct 281995: Oct 181996: Oct 41997: Oct 21998: Nov 31999: Oct 152000: Oct 92001: Oct 92002: Oct 242003: Oct 32004: Nov 42005: Oct 272006: Oct 132007: Oct 292008: Oct 202009: Oct 142013: Nov 42015: Oct 19

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
2015no dataOct 19no dataOct 19
2014Apr 16no dataMar 28no data
2013Apr 4Nov 4Apr 4Nov 13
2010Mar 29no dataMar 28no data
2009Apr 24Oct 14Apr 13Nov 7
2008May 1Oct 20Apr 4Oct 24
2007Apr 12Oct 29Apr 11Nov 8
2006Apr 11Oct 13Mar 22Oct 27
2005Apr 18Oct 27Apr 18Nov 12
2004Apr 16Nov 4Apr 6Nov 9
2003Apr 15Oct 3Apr 1Oct 24
2002Apr 27Oct 24Apr 7Oct 24
2001Apr 27Oct 9Apr 19Oct 9
2000Apr 15Oct 9Apr 13Nov 18
1999May 1Oct 15May 1Nov 8
1998Apr 13Nov 3Mar 25Nov 5
1997Apr 28Oct 2Apr 19Oct 23
1996May 14Oct 4Apr 9Nov 3
1995Apr 18Oct 18Apr 18Nov 5
1994May 14Oct 28Mar 31Nov 12
1993Apr 28Oct 11Mar 23Oct 11
1992Apr 30Oct 20Apr 4Oct 20
1991Apr 13Oct 21Apr 1Nov 6
1990Apr 19Oct 27Apr 19Nov 9
1989Apr 24Oct 10Apr 23Oct 10
1988Apr 27Oct 9Apr 27Oct 9
1987Apr 29Oct 2Apr 29Oct 13
1986May 12Oct 7May 4Nov 3
1985May 9Oct 8Apr 18Oct 29
1984May 10Oct 6Mar 30Nov 3
1983May 18Oct 21Mar 30Oct 30
1982Apr 23Oct 11Apr 23Oct 17
1981May 9Oct 13May 9Oct 20
1980Apr 23no dataMar 28no data
1979Jun 12Oct 10Apr 11Oct 27
1978May 4Oct 9May 1Oct 18
1977May 9Oct 18Apr 29Oct 24
1976May 5no dataApr 12no data
1975Apr 28Oct 31Apr 23Oct 31
1974May 8Oct 3May 5Oct 19
1973Apr 15Nov 6Apr 15Nov 6
1972Apr 28Oct 10Apr 10Oct 20
1971Apr 18Nov 5Apr 9Nov 8
1970Apr 13Oct 18Apr 6Oct 29
1969Apr 14Oct 23Apr 7Oct 24

"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.