Last Frost Day

Frost history / New Philadelphia, OH

New Philadelphia, OH: frost dates by year

Last spring and first fall frost at NOAA station USC00335894, 1961 to 2005, measured from daily minimum temperatures.

Elevation 925 ft, 40.488, -81.432. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 6Oct 8
EarliestApr 11 (1985)Sep 23 (1974)
LatestJun 11 (1972)Nov 3 (1984)
Trend2.7 days earlier per decade1.1 days later per decade
Years with data4139

At 28°F (hard freeze) the median last spring date is Apr 21 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 2919701980199020001961: May 271962: Apr 241963: May 241964: Apr 161965: Apr 291966: May 111967: May 231968: May 81969: May 261970: May 71972: Jun 111974: May 81975: Apr 271976: May 191977: May 111978: May 41979: May 171980: May 101981: May 201982: Apr 301983: May 111984: May 171985: Apr 111986: May 51987: Apr 111988: Apr 271989: May 41990: Apr 201991: Apr 121992: Apr 301993: Apr 281994: May 131995: Apr 271996: May 151997: May 121998: Apr 292001: Apr 302002: May 232003: Apr 282004: May 52005: May 6

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 1119701980199020001961: Sep 291962: Oct 221963: Sep 251964: Oct 61965: Oct 51966: Oct 21967: Sep 251968: Oct 51969: Oct 151970: Oct 171971: Oct 121972: Oct 101973: Oct 191974: Sep 231975: Oct 31976: Oct 161977: Oct 141978: Oct 171979: Oct 151980: Oct 61981: Oct 41982: Oct 171983: Oct 271984: Nov 31985: Oct 71986: Oct 181988: Oct 61989: Oct 51990: Oct 201991: Oct 81992: Oct 181993: Oct 41994: Oct 111995: Sep 231996: Oct 41998: Oct 232001: Oct 82002: Oct 152003: Oct 3

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
2005May 6no dataMar 23no data
2004May 5no dataApr 6no data
2003Apr 28Oct 3Apr 25Oct 24
2002May 23Oct 15Apr 8Nov 2
2001Apr 30Oct 8Apr 20Oct 8
1998Apr 29Oct 23Apr 14Nov 4
1997May 12no dataApr 21no data
1996May 15Oct 4May 15Nov 2
1995Apr 27Sep 23Apr 25Oct 18
1994May 13Oct 11Apr 24Oct 28
1993Apr 28Oct 4Apr 28Oct 11
1992Apr 30Oct 18Apr 13Oct 20
1991Apr 12Oct 8Apr 12Oct 17
1990Apr 20Oct 20Apr 20Oct 27
1989May 4Oct 5Apr 24Oct 9
1988Apr 27Oct 6Apr 21Oct 14
1987Apr 11no dataApr 4no data
1986May 5Oct 18May 4Oct 19
1985Apr 11Oct 7Apr 11Nov 21
1984May 17Nov 3Apr 11Nov 3
1983May 11Oct 27May 11Oct 30
1982Apr 30Oct 17Apr 23Oct 17
1981May 20Oct 4Apr 21Oct 20
1980May 10Oct 6Apr 18Oct 27
1979May 17Oct 15Apr 19Oct 15
1978May 4Oct 17May 3Oct 25
1977May 11Oct 14Apr 30Nov 13
1976May 19Oct 16Apr 14Oct 18
1975Apr 27Oct 3Apr 16Oct 31
1974May 8Sep 23Apr 25Oct 3
1973no dataOct 19no dataNov 4
1972Jun 11Oct 10Apr 26Oct 10
1971no dataOct 12no dataNov 5
1970May 7Oct 17May 7Nov 16
1969May 26Oct 15Apr 20Oct 23
1968May 8Oct 5May 8Oct 5
1967May 23Sep 25Apr 29Oct 20
1966May 11Oct 2May 10Oct 21
1965Apr 29Oct 5Apr 14Oct 5
1964Apr 16Oct 6Apr 12Oct 6
1963May 24Sep 25May 24Oct 14
1962Apr 24Oct 22Apr 21Oct 26
1961May 27Sep 29Apr 30Nov 7

"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.