Last Frost Day

Frost history / Weatherford, OK

Weatherford, OK: frost dates by year

Last spring and first fall frost at NOAA station USC00349422, 1951 to 2010, measured from daily minimum temperatures.

Elevation 1,618 ft, 35.520, -98.699. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianApr 4Nov 2
EarliestMar 14 (1963)Oct 7 (1952)
LatestMay 3 (1954)Dec 7 (1998)
Trend1.0 days earlier per decade0.9 days later per decade
Years with data5554

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 10.

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 30May 151960197019801990200020101951: Apr 131952: Apr 101953: Apr 201954: May 31955: Mar 281956: Apr 111957: Apr 141958: Mar 311959: Apr 131960: Mar 231961: Apr 161962: Apr 21963: Mar 141964: Apr 81965: Mar 311966: Apr 211967: Mar 181968: Apr 51969: Mar 301970: Apr 51971: Apr 61972: Apr 41973: Apr 101974: Mar 251975: Apr 31976: Mar 211977: Apr 51978: Mar 261979: Apr 41980: Mar 301981: Mar 191983: Apr 151984: Apr 301985: Apr 11986: Mar 211987: Apr 41988: Mar 301989: Apr 121990: Mar 261991: Mar 181992: Apr 31993: Apr 21996: Apr 51997: Apr 131998: Mar 211999: Mar 152002: Apr 42003: Apr 102004: Apr 132005: Mar 172006: Mar 252007: Apr 152008: Apr 142009: Apr 72010: Apr 8

First fall frost (32°F)

Sep 27Oct 12Oct 27Nov 11Nov 26Dec 11Dec 261960197019801990200020101951: Nov 11952: Oct 71953: Nov 91954: Oct 301955: Oct 241956: Nov 81957: Oct 261958: Nov 181959: Oct 271960: Oct 201961: Nov 31962: Nov 81963: Nov 131964: Oct 201965: Nov 271966: Oct 161967: Nov 11968: Nov 91969: Oct 141970: Oct 281971: Nov 71972: Oct 191973: Nov 211974: Nov 141975: Nov 101976: Oct 171977: Nov 101978: Nov 71979: Nov 11980: Oct 291982: Oct 201983: Nov 101984: Oct 171985: Nov 71986: Nov 111987: Oct 121988: Nov 161989: Oct 191990: Nov 51991: Oct 291995: Oct 241996: Nov 161997: Oct 251998: Dec 71999: Nov 232001: Nov 202003: Nov 62004: Nov 42005: Oct 242006: Oct 222007: Nov 72008: Oct 272009: Oct 272010: Nov 5

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
2010Apr 8Nov 5Mar 22Nov 18
2009Apr 7Oct 27Apr 7Nov 18
2008Apr 14Oct 27Mar 10Nov 18
2007Apr 15Nov 7Mar 5Nov 22
2006Mar 25Oct 22Mar 24Nov 2
2005Mar 17Oct 24Feb 10Nov 16
2004Apr 13Nov 4Feb 27Nov 30
2003Apr 10Nov 6Apr 9Nov 7
2002Apr 4no dataApr 4no data
2001no dataNov 20no dataNov 20
1999Mar 15Nov 23Mar 14Nov 24
1998Mar 21Dec 7Mar 12Dec 8
1997Apr 13Oct 25Apr 13Oct 26
1996Apr 5Nov 16Mar 26Nov 16
1995no dataOct 24no dataNov 3
1993Apr 2no dataMar 19no data
1992Apr 3no dataMar 23no data
1991Mar 18Oct 29Mar 15Oct 30
1990Mar 26Nov 5Mar 26Nov 28
1989Apr 12Oct 19Mar 22Oct 19
1988Mar 30Nov 16Mar 19Nov 20
1987Apr 4Oct 12Apr 3Nov 10
1986Mar 21Nov 11Mar 21Nov 11
1985Apr 1Nov 7Mar 31Nov 19
1984Apr 30Oct 17Mar 30Nov 2
1983Apr 15Nov 10Apr 15Nov 10
1982no dataOct 20no dataNov 4
1981Mar 19no dataFeb 13no data
1980Mar 30Oct 29Mar 1Oct 29
1979Apr 4Nov 1Mar 5Nov 10
1978Mar 26Nov 7Mar 9Nov 21
1977Apr 5Nov 10Mar 22Nov 10
1976Mar 21Oct 17Mar 13Oct 20
1975Apr 3Nov 10Apr 3Nov 13
1974Mar 25Nov 14Mar 25Nov 29
1973Apr 10Nov 21Apr 10Dec 6
1972Apr 4Oct 19Apr 1Nov 17
1971Apr 6Nov 7Mar 20Nov 7
1970Apr 5Oct 28Apr 5Nov 15
1969Mar 30Oct 14Mar 13Nov 14
1968Apr 5Nov 9Apr 5Nov 11
1967Mar 18Nov 1Mar 18Nov 4
1966Apr 21Oct 16Mar 24Nov 2
1965Mar 31Nov 27Mar 26Nov 27
1964Apr 8Oct 20Mar 30Nov 20
1963Mar 14Nov 13Mar 14Nov 14
1962Apr 2Nov 8Apr 2Dec 6
1961Apr 16Nov 3Mar 9Nov 3
1960Mar 23Oct 20Mar 23Nov 10
1959Apr 13Oct 27Mar 22Nov 5
1958Mar 31Nov 18Mar 18Nov 18
1957Apr 14Oct 26Apr 13Oct 26
1956Apr 11Nov 8Mar 16Nov 9
1955Mar 28Oct 24Mar 28Nov 3
1954May 3Oct 30Apr 1Oct 31
1953Apr 20Nov 9Mar 4Nov 9
1952Apr 10Oct 7Apr 10Oct 7
1951Apr 13Nov 1Apr 12Nov 1

"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.