Last Frost Day

Frost history / Kodiak Ap, AK

Kodiak Ap, AK: frost dates by year

Last spring and first fall frost at NOAA station USW00025501, 1951 to 2024, measured from daily minimum temperatures.

Elevation 80 ft, 57.751, -152.486. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 14Oct 2
EarliestApr 5 (1979)Sep 16 (1996)
LatestJun 4 (1973)Oct 27 (2022)
Trend1.0 days later per decade0.9 days earlier per decade
Years with data7474

At 28°F (hard freeze) the median last spring date is Apr 20 and the median first fall date is Oct 17.

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 1419601970198019902000201020201951: Apr 291952: May 201953: May 81954: Apr 221955: May 21956: Apr 191957: Apr 151958: May 111959: Apr 251960: Apr 271961: Apr 201962: Apr 301963: May 81964: May 101965: May 171966: May 291967: May 181968: Jun 21969: May 151970: May 51971: May 81972: May 221973: Jun 41974: May 221975: May 231976: May 141977: May 281978: Apr 221979: Apr 51980: Apr 151981: Apr 131982: May 161983: Apr 191984: May 61985: May 241986: May 211987: May 191988: May 171989: May 101990: May 221991: Apr 201992: May 141993: Apr 211994: May 281995: May 171996: May 221997: May 181998: May 171999: May 232000: May 252001: May 122002: May 22003: May 212004: Apr 262005: May 82006: May 172007: May 192008: May 222009: May 212010: May 222011: May 132012: May 162013: May 202014: Apr 302015: May 22016: Apr 262017: May 262018: May 72019: Apr 272020: Apr 302021: May 172022: Apr 262023: May 172024: May 12

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 1119601970198019902000201020201951: Oct 61952: Oct 161953: Oct 21954: Oct 171955: Oct 21956: Sep 231957: Oct 131958: Oct 41959: Oct 161960: Oct 71961: Oct 101962: Oct 51963: Oct 81964: Oct 171965: Oct 11966: Oct 41967: Oct 51968: Sep 291969: Oct 211970: Oct 31971: Sep 171972: Sep 221973: Sep 231974: Oct 21975: Oct 91976: Oct 71977: Sep 281978: Oct 31979: Oct 271980: Oct 81981: Sep 261982: Oct 41983: Sep 261984: Oct 91985: Sep 251986: Oct 61987: Sep 291988: Sep 231989: Oct 81990: Sep 251991: Oct 71992: Sep 201993: Sep 231994: Sep 301995: Oct 51996: Sep 161997: Sep 271998: Oct 21999: Sep 262000: Sep 182001: Oct 22002: Oct 32003: Sep 212004: Sep 242005: Sep 262006: Sep 302007: Oct 72008: Oct 12009: Sep 222010: Oct 42011: Sep 292012: Sep 282013: Sep 242014: Oct 12015: Sep 202016: Sep 262017: Oct 162018: Oct 202019: Oct 122020: Oct 112021: Sep 222022: Oct 272023: Sep 222024: Sep 27

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

"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.