Last Frost Day

Frost history / Bradford 4SW Rsch 5, PA

Bradford 4SW Rsch 5, PA: frost dates by year

Last spring and first fall frost at NOAA station USC00360868, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,660 ft, 41.898, -78.714. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 26Sep 29
EarliestApr 27 (2024)Aug 20 (1984)
LatestJul 9 (1963)Oct 29 (2007)
Trend2.6 days earlier per decade3.8 days later per decade
Years with data7374

At 28°F (hard freeze) the median last spring date is May 13 and the median first fall date is Oct 11.

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)

Apr 15Apr 30May 15May 30Jun 14Jun 29Jul 1419601970198019902000201020201951: May 141952: Jun 21953: May 291954: May 261955: May 211956: May 291957: Jun 91958: Jun 221959: May 251960: Jun 101962: May 121963: Jul 91964: Jun 51965: Jun 41966: Jun 21967: Jun 11968: May 251969: May 271970: May 191971: May 291972: Jun 111973: May 191975: May 141976: May 241977: Jun 81978: Jun 151979: Jun 251980: Jun 131981: May 211982: May 101983: Jun 81984: Jun 141985: May 281986: Jun 21987: May 121988: Jun 91989: May 281990: Jun 41991: May 41992: May 281993: May 291994: May 271995: May 71996: May 311997: May 271998: May 221999: May 92000: May 152001: May 312002: May 242003: May 222004: May 302005: May 192006: May 242007: May 192008: May 302009: Jun 12010: May 122011: May 102012: May 182013: May 272014: May 192015: May 242016: May 202017: May 92018: May 12019: May 152020: May 212021: May 152022: May 92023: May 262024: Apr 272025: Jun 2

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Sep 301952: Sep 251953: Sep 101954: Sep 131955: Sep 131956: Sep 91957: Sep 91958: Sep 121959: Sep 171960: Oct 11961: Sep 291962: Sep 61963: Sep 141964: Sep 131965: Aug 301966: Sep 161967: Sep 111968: Oct 61969: Oct 151970: Oct 51971: Sep 251972: Sep 231973: Sep 211974: Sep 51975: Sep 291976: Sep 231977: Oct 61978: Sep 241979: Sep 201980: Oct 51981: Sep 291982: Aug 281983: Sep 141984: Aug 201985: Sep 111986: Aug 281988: Sep 281989: Sep 241990: Sep 171991: Sep 211992: Sep 231993: Sep 191994: Oct 21995: Sep 101996: Oct 31997: Oct 11998: Oct 151999: Sep 212000: Sep 52001: Sep 302002: Oct 82003: Oct 32004: Oct 52005: Oct 202006: Sep 302007: Oct 292008: Oct 42009: Oct 122010: Oct 102011: Oct 62012: Oct 92013: Oct 102014: Oct 102015: Oct 152016: Oct 102017: Oct 12018: Oct 162019: Oct 52020: Sep 192021: Oct 282022: Oct 32023: Oct 192024: Oct 112025: 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
2025Jun 2Oct 9Apr 18Oct 10
2024Apr 27Oct 11Apr 26Oct 17
2023May 26Oct 19May 18Nov 1
2022May 9Oct 3May 8Oct 16
2021May 15Oct 28May 13Nov 4
2020May 21Sep 19May 14Oct 17
2019May 15Oct 5Apr 30Nov 2
2018May 1Oct 16Apr 30Oct 19
2017May 9Oct 1May 9Oct 17
2016May 20Oct 10Apr 24Oct 15
2015May 24Oct 15May 23Oct 19
2014May 19Oct 10Apr 28Oct 27
2013May 27Oct 10May 15Oct 23
2012May 18Oct 9Apr 30Oct 13
2011May 10Oct 6Apr 22Oct 28
2010May 12Oct 10May 11Oct 20
2009Jun 1Oct 12May 19Oct 12
2008May 30Oct 4May 20Oct 7
2007May 19Oct 29May 14Oct 29
2006May 24Sep 30May 7Oct 16
2005May 19Oct 20May 5Oct 28
2004May 30Oct 5May 4Nov 4
2003May 22Oct 3Apr 27Oct 3
2002May 24Oct 8May 21Oct 13
2001May 31Sep 30Apr 29Oct 7
2000May 15Sep 5May 15Oct 19
1999May 9Sep 21Apr 28Oct 6
1998May 22Oct 15Apr 28Oct 29
1997May 27Oct 1May 17Oct 16
1996May 31Oct 3May 13Oct 3
1995May 7Sep 10May 7Sep 23
1994May 27Oct 2May 13Oct 11
1993May 29Sep 19Apr 27Sep 30
1992May 28Sep 23May 24Oct 4
1991May 4Sep 21May 3Sep 29
1990Jun 4Sep 17May 2Oct 19
1989May 28Sep 24Apr 24Oct 9
1988Jun 9Sep 28May 2Oct 20
1987May 12no dataMay 4no data
1986Jun 2Aug 28Jun 2Aug 28
1985May 28Sep 11May 19Sep 12
1984Jun 14Aug 20May 16Sep 6
1983Jun 8Sep 14Jun 8Oct 15
1982May 10Aug 28May 3Aug 28
1981May 21Sep 29May 20Oct 13
1980Jun 13Oct 5May 10Oct 10
1979Jun 25Sep 20May 17Oct 26
1978Jun 15Sep 24May 11Sep 26
1977Jun 8Oct 6May 8Oct 13
1976May 24Sep 23May 13Sep 25
1975May 14Sep 29May 8Oct 3
1974no dataSep 5no dataSep 24
1973May 19Sep 21May 19Oct 22
1972Jun 11Sep 23Jun 11Oct 10
1971May 29Sep 25May 15Nov 7
1970May 19Oct 5May 7Oct 17
1969May 27Oct 15May 27Oct 16
1968May 25Oct 6May 7Oct 31
1967Jun 1Sep 11May 23Oct 20
1966Jun 2Sep 16May 11Oct 3
1965Jun 4Aug 30May 14Oct 6
1964Jun 5Sep 13Apr 16Oct 6
1963Jul 9Sep 14May 24Sep 24
1962May 12Sep 6May 12Sep 7
1961no dataSep 29no dataSep 29
1960Jun 10Oct 1May 2Oct 2
1959May 25Sep 17May 16Sep 17
1958Jun 22Sep 12May 27Sep 29
1957Jun 9Sep 9Jun 9Sep 9
1956May 29Sep 9May 26Sep 19
1955May 21Sep 13May 21Oct 22
1954May 26Sep 13May 26Oct 7
1953May 29Sep 10May 29Sep 23
1952Jun 2Sep 25May 30Sep 27
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 1991–2020 frost probabilities.