Last Frost Day

Frost history / Nome Muni Ap, AK

Nome Muni Ap, AK: frost dates by year

Last spring and first fall frost at NOAA station USW00026617, 1951 to 2024, measured from daily minimum temperatures.

Elevation 13 ft, 64.511, -165.440. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 9Aug 30
EarliestMay 18 (1993)Aug 10 (1969)
LatestJul 28 (1973)Oct 5 (1989)
Trend1.2 days earlier per decadelittle change (less than half a day per decade)
Years with data7474

At 28°F (hard freeze) the median last spring date is May 24 and the median first fall date is Sep 18.

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 30May 15May 30Jun 14Jun 29Jul 14Jul 29Aug 1319601970198019902000201020201951: May 271952: Jun 141953: May 291954: May 281955: Jun 171956: Jun 241957: May 311958: Jun 291959: Jul 161960: Jun 171961: Jun 101962: Jun 71963: Jun 141964: Jun 21965: Jul 191966: Jun 201967: Jun 81968: Jun 231969: Jun 51970: Jun 281971: Jun 141972: Jul 41973: Jul 281974: Jun 81975: Jun 261976: Jul 51977: Jun 61978: May 301979: May 191980: Jun 121981: May 261982: May 301983: Jun 91984: Jun 11985: Jul 51986: May 281987: Jun 151988: Jun 41989: May 311990: Jun 111991: Jun 111992: Jun 101993: May 181994: Jul 121995: Jun 91996: Jun 141997: Jun 41998: May 211999: Jun 132000: May 302001: Jun 172002: Jun 242003: Jun 32004: May 282005: Jun 52006: Jun 62007: May 292008: Jul 272009: May 312010: Jun 42011: Jul 42012: Jun 32013: Jun 112014: Jun 122015: Jun 112016: Jun 92017: May 312018: May 292019: Jun 82020: Jun 102021: Jun 42022: Jun 22023: Jun 212024: Jun 4

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 1219601970198019902000201020201951: Aug 301952: Aug 241953: Aug 151954: Sep 171955: Aug 291956: Sep 191957: Sep 181958: Sep 41959: Sep 11960: Sep 41961: Sep 291962: Aug 301963: Sep 141964: Sep 161965: Aug 281966: Aug 181967: Aug 211968: Aug 231969: Aug 101970: Aug 211971: Sep 21972: Aug 261973: Aug 131974: Sep 211975: Sep 71976: Sep 31977: Sep 201978: Sep 201979: Sep 141980: Aug 201981: Aug 161982: Sep 111983: Aug 251984: Aug 191985: Aug 171986: Aug 151987: Sep 41988: Aug 231989: Oct 51990: Sep 71991: Aug 281992: Aug 141993: Aug 151994: Aug 221995: Aug 151996: Aug 231997: Oct 11998: Sep 31999: Sep 62000: Aug 222001: Sep 172002: Aug 132003: Aug 212004: Sep 32005: Sep 12006: Aug 192007: Oct 12008: Aug 262009: Aug 242010: Sep 252011: Aug 282012: Sep 102013: Sep 172014: Aug 302015: Aug 312016: Sep 92017: Aug 202018: Sep 262019: Sep 172020: Sep 202021: Aug 122022: Aug 292023: Sep 82024: Aug 25

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

"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.