Last Frost Day

Frost history / Newark Intl Ap, NJ

Newark Intl Ap, NJ: frost dates by year

Last spring and first fall frost at NOAA station USW00014734, 1951 to 2024, measured from daily minimum temperatures.

Elevation 7 ft, 40.682, -74.169. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 2Nov 8
EarliestMar 11 (1953)Oct 18 (1982)
LatestApr 21 (1981)Dec 2 (1985)
Trendlittle change (less than half a day per decade)0.9 days later per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 22.

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 1Mar 16Mar 31Apr 15Apr 3019601970198019902000201020201951: Mar 271952: Mar 251953: Mar 111954: Apr 51955: Mar 291956: Apr 211957: Apr 111958: Apr 91959: Mar 291960: Apr 111961: Mar 221962: Apr 41963: Apr 51964: Apr 51965: Apr 11966: Apr 11967: Apr 121968: Apr 61969: Apr 11970: Apr 111971: Mar 261972: Apr 91973: Mar 211974: Apr 101975: Apr 131976: Apr 121977: Apr 91978: Apr 31979: Apr 81980: Apr 171981: Apr 211982: Apr 101983: Mar 301984: Mar 241985: Apr 101986: Mar 251987: Apr 11988: Mar 231989: Mar 231990: Apr 71991: Mar 311992: Apr 131993: Mar 231994: Mar 191995: Apr 61996: Mar 301997: Apr 101998: Mar 251999: Mar 262000: Apr 92001: Mar 282002: Apr 72003: Apr 82004: Apr 62005: Mar 242006: Mar 222007: Apr 112008: Mar 302009: Mar 252010: Mar 272011: Mar 292012: Mar 272013: Apr 42014: Apr 162015: Mar 292016: Apr 102017: Mar 242018: Apr 112019: Apr 12020: Apr 172021: Apr 32022: Mar 302023: Mar 302024: Mar 24

First fall frost (32°F)

Oct 12Oct 27Nov 11Nov 26Dec 1119601970198019902000201020201951: Nov 31952: Oct 201953: Nov 61954: Nov 11955: Nov 91956: Nov 101957: Nov 101958: Nov 231959: Nov 171960: Nov 81961: Nov 101962: Oct 271963: Nov 251964: Nov 211965: Oct 291966: Oct 311967: Nov 61968: Nov 201969: Oct 231970: Nov 231971: Nov 81972: Oct 201973: Nov 101974: Oct 191975: Oct 301976: Oct 191977: Nov 121978: Nov 251979: Nov 291980: Nov 31981: Oct 201982: Oct 181983: Nov 51984: Nov 151985: Dec 21986: Nov 131987: Nov 111988: Oct 311989: Nov 181990: Nov 91991: Nov 61992: Nov 81993: Nov 81994: Nov 231995: Nov 51996: Nov 31997: Oct 231998: Nov 51999: Nov 122000: Nov 192001: Nov 122002: Nov 22003: Nov 92004: Nov 92005: Nov 182006: Nov 42007: Nov 112008: Nov 182009: Nov 72010: Nov 272011: Oct 312012: Nov 62013: Nov 42014: Nov 82015: Oct 192016: Nov 282017: Nov 102018: Nov 102019: Nov 82020: Oct 312021: Nov 242022: Nov 182023: Nov 132024: Nov 30

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
2024Mar 24Nov 30Feb 25Dec 1
2023Mar 30Nov 13Mar 20Nov 29
2022Mar 30Nov 18Mar 29Nov 19
2021Apr 3Nov 24Mar 15Nov 30
2020Apr 17Oct 31Mar 1Nov 19
2019Apr 1Nov 8Mar 8Nov 9
2018Apr 11Nov 10Mar 17Nov 21
2017Mar 24Nov 10Mar 23Nov 10
2016Apr 10Nov 28Apr 6Dec 10
2015Mar 29Oct 19Mar 29Nov 24
2014Apr 16Nov 8Mar 27Nov 18
2013Apr 4Nov 4Mar 22Nov 21
2012Mar 27Nov 6Mar 6Nov 6
2011Mar 29Oct 31Mar 28Dec 11
2010Mar 27Nov 27Mar 27Dec 8
2009Mar 25Nov 7Mar 24Dec 10
2008Mar 30Nov 18Mar 30Nov 19
2007Apr 11Nov 11Mar 21Nov 24
2006Mar 22Nov 4Mar 21Dec 5
2005Mar 24Nov 18Mar 15Nov 19
2004Apr 6Nov 9Mar 23Nov 10
2003Apr 8Nov 9Mar 14Dec 2
2002Apr 7Nov 2Apr 7Nov 27
2001Mar 28Nov 12Mar 27Dec 23
2000Apr 9Nov 19Mar 18Nov 20
1999Mar 26Nov 12Mar 13Nov 18
1998Mar 25Nov 5Mar 17Dec 15
1997Apr 10Oct 23Apr 10Nov 17
1996Mar 30Nov 3Mar 27Nov 13
1995Apr 6Nov 5Apr 6Nov 17
1994Mar 19Nov 23Mar 19Nov 23
1993Mar 23Nov 8Mar 20Nov 25
1992Apr 13Nov 8Mar 24Dec 6
1991Mar 31Nov 6Mar 13Nov 27
1990Apr 7Nov 9Mar 28Dec 15
1989Mar 23Nov 18Mar 22Nov 19
1988Mar 23Oct 31Mar 22Dec 10
1987Apr 1Nov 11Mar 11Nov 21
1986Mar 25Nov 13Mar 22Nov 13
1985Apr 10Dec 2Mar 21Dec 3
1984Mar 24Nov 15Mar 15Nov 19
1983Mar 30Nov 5Mar 30Dec 2
1982Apr 10Oct 18Apr 8Nov 16
1981Apr 21Oct 20Mar 21Nov 24
1980Apr 17Nov 3Mar 16Nov 16
1979Apr 8Nov 29Mar 16Dec 2
1978Apr 3Nov 25Mar 18Nov 26
1977Apr 9Nov 12Apr 9Nov 14
1976Apr 12Oct 19Apr 12Nov 8
1975Apr 13Oct 30Apr 7Dec 3
1974Apr 10Oct 19Mar 26Nov 23
1973Mar 21Nov 10Feb 28Nov 11
1972Apr 9Oct 20Apr 8Nov 22
1971Mar 26Nov 8Mar 25Dec 1
1970Apr 11Nov 23Mar 30Nov 23
1969Apr 1Oct 23Apr 1Oct 24
1968Apr 6Nov 20Mar 14Nov 21
1967Apr 12Nov 6Mar 24Nov 15
1966Apr 1Oct 31Mar 29Nov 20
1965Apr 1Oct 29Mar 31Nov 29
1964Apr 5Nov 21Apr 2Nov 21
1963Apr 5Nov 25Mar 11Dec 1
1962Apr 4Oct 27Mar 5Dec 10
1961Mar 22Nov 10Mar 18Dec 9
1960Apr 11Nov 8Mar 27Nov 8
1959Mar 29Nov 17Mar 29Nov 17
1958Apr 9Nov 23Mar 9Nov 29
1957Apr 11Nov 10Mar 11Nov 27
1956Apr 21Nov 10Mar 28Nov 11
1955Mar 29Nov 9Mar 29Nov 20
1954Apr 5Nov 1Apr 4Nov 11
1953Mar 11Nov 6Mar 11Dec 16
1952Mar 25Oct 20Mar 16Nov 29
1951Mar 27Nov 3Mar 27Nov 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.