Last Frost Day

Frost history / Sussex 3 Wnw, NJ

Sussex 3 Wnw, NJ: frost dates by year

Last spring and first fall frost at NOAA station USC00288644, 1951 to 2023, measured from daily minimum temperatures.

Elevation 667 ft, 41.221, -74.662. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 9Oct 7
EarliestApr 9 (2017)Sep 11 (1995)
LatestMay 27 (1969)Nov 4 (1971)
Trend1.6 days earlier per decade2.5 days later per decade
Years with data6463

At 28°F (hard freeze) the median last spring date is Apr 22 and the median first fall date is Oct 21.

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 31Apr 15Apr 30May 15May 30Jun 1419601970198019902000201020201951: May 141952: May 21953: Apr 221955: May 101956: May 251957: May 171958: May 141959: Apr 241960: Apr 211961: May 61962: Apr 211963: May 251964: Apr 131966: May 151967: May 271968: May 91969: May 271970: May 71971: May 231972: May 111973: May 191974: May 91975: Apr 281976: May 131977: May 151978: May 41979: May 21980: May 101981: May 91982: Apr 291983: May 181984: May 181985: May 91986: May 101987: May 141988: Apr 261989: Apr 281990: May 121991: Apr 191992: May 71993: May 141996: May 141997: May 91999: May 22000: May 52001: May 92002: May 222003: Apr 252004: Apr 162009: May 202010: May 122011: Apr 222012: Apr 302013: Apr 242014: Apr 252015: Apr 262016: Apr 172017: Apr 92018: Apr 242019: Apr 302020: May 222021: Apr 242022: Apr 192023: May 18

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Oct 121954: Oct 81955: Oct 231956: Sep 211957: Sep 271958: Oct 21959: Sep 191960: Oct 221961: Oct 51962: Oct 251963: Sep 241964: Sep 161965: Sep 281966: Sep 261967: Sep 121969: Sep 301970: Oct 51971: Nov 41972: Oct 21973: Oct 221974: Sep 241975: Sep 151976: Oct 111977: Oct 71978: Sep 291979: Sep 201980: Sep 281981: Oct 101982: Oct 111983: Sep 251984: Oct 31985: Oct 121987: Oct 51988: Oct 61989: Sep 281990: Oct 171991: Sep 221992: Oct 11993: Sep 201995: Sep 111996: Oct 41998: Oct 221999: Oct 62001: Oct 72002: Oct 142003: Oct 252005: Oct 232006: Oct 122009: Oct 122010: Oct 102011: Oct 282012: Oct 132013: Oct 232014: Oct 202015: Oct 182016: Oct 112017: Nov 12018: Oct 192019: Oct 52020: Oct 182021: Nov 32022: Oct 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
2023May 18no dataApr 9no data
2022Apr 19Oct 9Apr 19Oct 30
2021Apr 24Nov 3Apr 4Nov 4
2020May 22Oct 18Apr 23Oct 31
2019Apr 30Oct 5Apr 3Nov 2
2018Apr 24Oct 19Apr 22Oct 20
2017Apr 9Nov 1Apr 9Nov 9
2016Apr 17Oct 11Apr 13Oct 26
2015Apr 26Oct 18Apr 25Oct 18
2014Apr 25Oct 20Apr 18Nov 13
2013Apr 24Oct 23Apr 4Oct 26
2012Apr 30Oct 13Apr 3Nov 6
2011Apr 22Oct 28Apr 22Oct 31
2010May 12Oct 10Mar 28Nov 3
2009May 20Oct 12Apr 17Nov 4
2006no dataOct 12no dataOct 12
2005no dataOct 23no dataNov 11
2004Apr 16no dataApr 16no data
2003Apr 25Oct 25Apr 14Nov 8
2002May 22Oct 14Apr 24Oct 21
2001May 9Oct 7Apr 29Oct 8
2000May 5no dataApr 14no data
1999May 2Oct 6Apr 26Oct 8
1998no dataOct 22no dataNov 4
1997May 9no dataApr 16no data
1996May 14Oct 4May 13Oct 4
1995no dataSep 11no dataNov 5
1993May 14Sep 20Apr 14Oct 6
1992May 7Oct 1Apr 15Oct 6
1991Apr 19Sep 22Apr 4Sep 23
1990May 12Oct 17Apr 20Oct 27
1989Apr 28Sep 28Apr 24Oct 10
1988Apr 26Oct 6Apr 26Oct 14
1987May 14Oct 5Apr 2Oct 9
1986May 10no dataMay 4no data
1985May 9Oct 12May 9Oct 29
1984May 18Oct 3Apr 22Oct 6
1983May 18Sep 25Apr 22Oct 21
1982Apr 29Oct 11Apr 29Oct 18
1981May 9Oct 10Apr 22Oct 10
1980May 10Sep 28Apr 23Oct 10
1979May 2Sep 20Apr 21Oct 27
1978May 4Sep 29Apr 23Oct 16
1977May 15Oct 7Apr 10Oct 23
1976May 13Oct 11May 5Oct 12
1975Apr 28Sep 15Apr 23Oct 31
1974May 9Sep 24May 8Sep 24
1973May 19Oct 22Apr 15Nov 8
1972May 11Oct 2Apr 28Oct 10
1971May 23Nov 4Apr 24Nov 6
1970May 7Oct 5May 7Oct 5
1969May 27Sep 30May 6Oct 16
1968May 9no dataMay 8no data
1967May 27Sep 12May 7Oct 20
1966May 15Sep 26May 11Oct 13
1965no dataSep 28no dataOct 5
1964Apr 13Sep 16Apr 10Oct 6
1963May 25Sep 24Apr 26Sep 24
1962Apr 21Oct 25Apr 20Oct 25
1961May 6Oct 5May 6Oct 28
1960Apr 21Oct 22Apr 11Nov 7
1959Apr 24Sep 19Apr 23Oct 29
1958May 14Oct 2May 10Oct 6
1957May 17Sep 27Apr 16Sep 27
1956May 25Sep 21May 25Oct 11
1955May 10Oct 23Apr 8Oct 23
1954no dataOct 8no dataOct 8
1953Apr 22no dataMar 22no data
1952May 2Oct 12Apr 12Oct 21
1951May 14Sep 30Apr 21Nov 4

"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.