Last Frost Day

Frost history / Charlotteburg Rsvr, NJ

Charlotteburg Rsvr, NJ: frost dates by year

Last spring and first fall frost at NOAA station USC00281582, 1951 to 2025, measured from daily minimum temperatures.

Elevation 778 ft, 41.030, -74.425. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 5Oct 7
EarliestApr 9 (2017)Sep 7 (1984)
LatestJun 10 (1957)Nov 3 (2021)
Trend1.9 days earlier per decade3.1 days later per decade
Years with data7169

At 28°F (hard freeze) the median last spring date is Apr 15 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 14Jun 2919601970198019902000201020201951: May 141952: May 171953: Apr 291954: May 151955: May 101956: May 261957: Jun 101958: May 141959: May 91960: May 41961: May 51962: Apr 201963: May 251964: Apr 131965: Apr 261966: May 111967: May 71968: Apr 301969: Apr 211970: May 71971: Apr 181972: May 61973: May 191974: May 91975: Apr 241976: May 141977: May 91978: May 41979: Apr 211980: May 101981: May 91982: Apr 231983: May 181984: Apr 221985: May 101986: May 101987: May 141988: May 41989: Apr 291990: Apr 191991: Apr 191992: May 71993: Apr 281994: May 281995: May 71996: May 141997: May 51998: Apr 291999: Apr 282000: May 162001: May 72002: May 222003: May 192005: May 52006: Apr 302007: Apr 122010: May 112011: Apr 222012: Apr 262013: Apr 222015: Apr 252016: Apr 172017: Apr 92018: Apr 232019: Apr 292020: May 102021: Apr 232022: Apr 182023: May 182024: Apr 262025: Apr 18

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Oct 81953: Sep 181954: Oct 71955: Sep 271956: Sep 101957: Sep 251958: Sep 121959: Sep 181960: Oct 21961: Oct 51962: Sep 211963: Sep 241964: Oct 61965: Sep 281966: Oct 131967: Oct 231968: Oct 61969: Oct 171970: Oct 171971: Sep 251972: Oct 101973: Oct 221974: Sep 241975: Oct 311976: Oct 121977: Oct 161978: Oct 91979: Sep 201980: Sep 281981: Oct 101982: Oct 111983: Sep 251984: Sep 71985: Sep 151986: Oct 71987: Oct 41988: Oct 71989: Sep 251990: Oct 181991: Sep 301992: Oct 11993: Sep 201994: Oct 31995: Sep 111996: Oct 41997: Oct 121998: Sep 241999: Oct 62000: Sep 302001: Oct 82002: Oct 152003: Oct 22005: Oct 252006: Oct 132007: Oct 292010: Nov 22014: Oct 202015: Oct 182016: Oct 152017: Oct 172018: Oct 192019: Nov 22020: Oct 182021: Nov 32022: Oct 92023: Nov 22024: Oct 172025: Oct 10

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
2025Apr 18Oct 10Apr 10Nov 7
2024Apr 26Oct 17Mar 25Nov 10
2023May 18Nov 2Apr 9Nov 2
2022Apr 18Oct 9Apr 18Oct 30
2021Apr 23Nov 3Apr 4Nov 4
2020May 10Oct 18Apr 19Oct 31
2019Apr 29Nov 2Apr 3Nov 4
2018Apr 23Oct 19Apr 11Oct 22
2017Apr 9Oct 17Mar 31Nov 9
2016Apr 17Oct 15Apr 11Oct 26
2015Apr 25Oct 18Apr 3Oct 18
2014no dataOct 20no dataNov 15
2013Apr 22no dataApr 5no data
2012Apr 26no dataMar 28no data
2011Apr 22no dataMar 30no data
2010May 11Nov 2Mar 28Nov 3
2007Apr 12Oct 29Apr 12Nov 8
2006Apr 30Oct 13Mar 29Oct 27
2005May 5Oct 25Apr 16Nov 12
2003May 19Oct 2Apr 14Oct 3
2002May 22Oct 15May 20Oct 15
2001May 7Oct 8Apr 20Oct 9
2000May 16Sep 30May 1Sep 30
1999Apr 28Oct 6Apr 20Oct 7
1998Apr 29Sep 24Apr 11Nov 3
1997May 5Oct 12Apr 16Oct 23
1996May 14Oct 4Apr 15Oct 4
1995May 7Sep 11Apr 18Nov 6
1994May 28Oct 3Apr 23Oct 12
1993Apr 28Sep 20Apr 28Oct 11
1992May 7Oct 1Apr 15Oct 18
1991Apr 19Sep 30Apr 4Oct 21
1990Apr 19Oct 18Apr 19Oct 27
1989Apr 29Sep 25Apr 25Nov 4
1988May 4Oct 7Apr 26Oct 9
1987May 14Oct 4Apr 3Oct 10
1986May 10Oct 7Apr 13Oct 11
1985May 10Sep 15May 9Oct 27
1984Apr 22Sep 7Apr 22Oct 3
1983May 18Sep 25Apr 2Oct 21
1982Apr 23Oct 11Apr 15Oct 11
1981May 9Oct 10Apr 22Oct 12
1980May 10Sep 28Apr 17Oct 10
1979Apr 21Sep 20Apr 20Oct 27
1978May 4Oct 9Apr 4Oct 16
1977May 9Oct 16Apr 10Oct 16
1976May 14Oct 12Apr 13Oct 19
1975Apr 24Oct 31Apr 23Oct 31
1974May 9Sep 24May 8Oct 19
1973May 19Oct 22Apr 15Nov 8
1972May 6Oct 10Apr 28Oct 18
1971Apr 18Sep 25Apr 15Nov 8
1970May 7Oct 17Apr 13Oct 20
1969Apr 21Oct 17Apr 13Oct 23
1968Apr 30Oct 6Apr 7Nov 1
1967May 7Oct 23Apr 13Oct 29
1966May 11Oct 13May 6Oct 27
1965Apr 26Sep 28Apr 25Oct 6
1964Apr 13Oct 6Apr 7Oct 6
1963May 25Sep 24Apr 26Nov 13
1962Apr 20Sep 21Apr 18Oct 25
1961May 5Oct 5May 1Oct 28
1960May 4Oct 2Apr 20Oct 23
1959May 9Sep 18Apr 24Oct 20
1958May 14Sep 12May 10Oct 6
1957Jun 10Sep 25Apr 16Sep 28
1956May 26Sep 10May 25Oct 6
1955May 10Sep 27Apr 8Oct 23
1954May 15Oct 7May 7Oct 8
1953Apr 29Sep 18Apr 6Sep 24
1952May 17Oct 8Apr 12Oct 9
1951May 14Sep 30May 14Sep 30

"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.