Last Frost Day

Frost history / Oakes, ND

Oakes, ND: frost dates by year

Last spring and first fall frost at NOAA station USC00326620, 1951 to 2017, measured from daily minimum temperatures.

Elevation 1,324 ft, 46.146, -98.092. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 13Sep 23
EarliestApr 18 (1998)Sep 3 (1974)
LatestJun 2 (1951)Oct 27 (1963)
Trend2.5 days earlier per decade1.5 days later per decade
Years with data4644

At 28°F (hard freeze) the median last spring date is May 4 and the median first fall date is Oct 3.

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 141960197019801990200020101951: Jun 21952: May 131953: May 161954: May 171955: May 101956: May 41957: May 91958: May 61959: May 221960: May 121961: May 181962: Apr 281963: May 231964: May 131965: May 281966: May 111967: May 201968: May 191969: May 201970: May 261971: May 131972: May 71973: May 171974: May 151977: Apr 251978: May 11979: May 211980: May 151981: May 131982: May 81983: May 241986: May 21987: Apr 251989: May 51990: May 201991: May 51992: May 261993: May 251994: May 71995: Apr 271996: May 101997: May 161998: Apr 181999: Apr 242001: Apr 252017: May 3

First fall frost (32°F)

Aug 28Sep 12Sep 27Oct 12Oct 27Nov 111960197019801990200020101951: Sep 221952: Sep 191953: Sep 211954: Sep 221955: Sep 101956: Sep 61957: Sep 161958: Sep 301959: Sep 101960: Sep 301961: Sep 231962: Sep 201963: Oct 271964: Sep 111965: Sep 241966: Oct 11967: Sep 271968: Oct 31969: Oct 81970: Sep 131971: Sep 181972: Oct 61973: Sep 161974: Sep 31976: Sep 231977: Oct 11978: Oct 71979: Sep 211980: Sep 251981: Sep 171989: Sep 231990: Sep 231991: Sep 191992: Sep 81993: Sep 161994: Oct 91995: Sep 201996: Oct 21997: Oct 141998: Oct 12000: Sep 142006: Sep 202016: Oct 62017: Oct 10

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
2017May 3Oct 10Apr 30Oct 10
2016no dataOct 6no dataOct 8
2006no dataSep 20no dataSep 20
2001Apr 25no dataApr 23no data
2000no dataSep 14no dataSep 23
1999Apr 24no dataApr 24no data
1998Apr 18Oct 1Apr 17Oct 1
1997May 16Oct 14May 15Oct 14
1996May 10Oct 2May 9Oct 3
1995Apr 27Sep 20Apr 12Sep 22
1994May 7Oct 9Apr 30Oct 25
1993May 25Sep 16May 25Oct 3
1992May 26Sep 8May 3Sep 28
1991May 5Sep 19Apr 22Oct 3
1990May 20Sep 23May 19Sep 23
1989May 5Sep 23May 4Sep 23
1987Apr 25no dataApr 13no data
1986May 2no dataApr 22no data
1983May 24no dataMay 15no data
1982May 8no dataMay 7no data
1981May 13Sep 17May 10Oct 2
1980May 15Sep 25May 11Oct 12
1979May 21Sep 21May 3Oct 4
1978May 1Oct 7Apr 21Oct 7
1977Apr 25Oct 1Apr 25Oct 5
1976no dataSep 23no dataSep 23
1974May 15Sep 3May 3Sep 22
1973May 17Sep 16May 14Oct 28
1972May 7Oct 6May 7Oct 6
1971May 13Sep 18May 12Oct 28
1970May 26Sep 13May 2Oct 9
1969May 20Oct 8Apr 28Oct 8
1968May 19Oct 3May 5Oct 4
1967May 20Sep 27May 6Sep 27
1966May 11Oct 1May 9Oct 5
1965May 28Sep 24Apr 27Sep 24
1964May 13Sep 11Apr 22Sep 11
1963May 23Oct 27May 22Oct 29
1962Apr 28Sep 20Apr 19Oct 20
1961May 18Sep 23May 3Sep 28
1960May 12Sep 30May 7Oct 19
1959May 22Sep 10May 15Oct 2
1958May 6Sep 30May 1Oct 1
1957May 9Sep 16Apr 14Sep 26
1956May 4Sep 6May 4Sep 29
1955May 10Sep 10May 10Oct 8
1954May 17Sep 22May 6Sep 22
1953May 16Sep 21May 13Oct 6
1952May 13Sep 19May 11Sep 23
1951Jun 2Sep 22Apr 23Sep 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.