Last Frost Day

Frost history / Stillwater Rsvr, NY

Stillwater Rsvr, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00308248, 1951 to 2025, measured from daily minimum temperatures.

Elevation 1,690 ft, 43.900, -75.037. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 20Sep 26
EarliestApr 28 (2025)Aug 24 (1971)
LatestJun 11 (1972)Oct 17 (1995)
Trend2.8 days earlier per decade2.8 days later per decade
Years with data4952

At 28°F (hard freeze) the median last spring date is May 8 and the median first fall date is Oct 6.

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 15Apr 30May 15May 30Jun 14Jun 2919601970198019902000201020201951: May 141952: May 301953: Jun 31954: May 271955: May 201956: May 291957: May 291958: Jun 71959: May 181960: May 31961: May 311962: May 121963: May 251964: Jun 51965: May 311966: Jun 21967: Jun 11968: May 81969: May 271970: May 81971: Jun 61972: Jun 111973: May 201974: May 81975: May 111976: May 211977: Jun 91978: May 111979: May 61980: Jun 91981: May 201982: May 51983: May 281985: May 191986: Jun 31987: May 161988: Jun 101989: May 91990: May 121991: May 51992: May 251994: May 281995: May 91996: May 151997: May 271998: Apr 291999: May 132000: May 172025: Apr 28

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 2719601970198019902000201020201951: Sep 261952: Sep 211953: Sep 151954: Sep 121955: Sep 81956: Sep 91957: Sep 271958: Sep 291959: Sep 161960: Oct 11961: Oct 51962: Sep 211963: Sep 231964: Sep 161965: Sep 271966: Sep 161967: Sep 21968: Oct 51969: Oct 151970: Oct 161971: Aug 241972: Oct 11973: Sep 171974: Sep 231975: Sep 101976: Sep 241977: Oct 71978: Sep 261979: Sep 201980: Sep 271981: Sep 291982: Sep 191983: Oct 161984: Sep 161985: Oct 121986: Oct 71987: Oct 41988: Oct 71989: Sep 251990: Sep 181991: Sep 291992: Sep 241993: Sep 201994: Oct 11995: Oct 171996: Oct 31997: Sep 241998: Oct 21999: Oct 62000: Sep 252024: Oct 92025: Oct 9

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
2025Apr 28Oct 9Apr 23Oct 10
2024no dataOct 9no dataOct 17
2000May 17Sep 25May 17Sep 29
1999May 13Oct 6Apr 29Oct 7
1998Apr 29Oct 2Apr 29Oct 23
1997May 27Sep 24May 8Oct 2
1996May 15Oct 3May 14Oct 4
1995May 9Oct 17May 7Oct 30
1994May 28Oct 1May 14Oct 3
1993no dataSep 20no dataOct 1
1992May 25Sep 24Apr 29Oct 1
1991May 5Sep 29Apr 13Sep 30
1990May 12Sep 18May 3Oct 20
1989May 9Sep 25Apr 28Oct 10
1988Jun 10Oct 7Apr 27Oct 13
1987May 16Oct 4May 2Oct 12
1986Jun 3Oct 7May 4Oct 7
1985May 19Oct 12May 9Oct 17
1984no dataSep 16no dataSep 27
1983May 28Oct 16May 18Oct 16
1982May 5Sep 19Apr 29Oct 18
1981May 20Sep 29May 19Sep 30
1980Jun 9Sep 27Apr 23Sep 27
1979May 6Sep 20Apr 30Sep 20
1978May 11Sep 26May 4Sep 26
1977Jun 9Oct 7May 13Oct 8
1976May 21Sep 24May 9Oct 11
1975May 11Sep 10Apr 30Oct 3
1974May 8Sep 23May 5Sep 24
1973May 20Sep 17Apr 15Oct 28
1972Jun 11Oct 1May 11Oct 10
1971Jun 6Aug 24May 24Oct 13
1970May 8Oct 16May 8Oct 17
1969May 27Oct 15May 27Oct 15
1968May 8Oct 5May 8Oct 6
1967Jun 1Sep 2May 23Oct 7
1966Jun 2Sep 16May 14Sep 26
1965May 31Sep 27May 1Sep 27
1964Jun 5Sep 16Apr 26Oct 6
1963May 25Sep 23May 24Sep 24
1962May 12Sep 21May 12Sep 21
1961May 31Oct 5May 30Oct 5
1960May 3Oct 1Apr 20Oct 12
1959May 18Sep 16May 18Sep 17
1958Jun 7Sep 29May 10Oct 6
1957May 29Sep 27May 17Sep 27
1956May 29Sep 9May 25Sep 9
1955May 20Sep 8May 17Oct 22
1954May 27Sep 12May 6Oct 7
1953Jun 3Sep 15Apr 30Sep 24
1952May 30Sep 21May 8Sep 27
1951May 14Sep 26May 14Sep 30

"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.