Last Frost Day

Frost history / Bath, NY

Bath, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00300448, 1961 to 2014, measured from daily minimum temperatures.

Elevation 1,120 ft, 42.349, -77.348. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 16Sep 29
EarliestApr 23 (2011)Aug 29 (1982)
LatestJun 10 (1988)Nov 5 (1971)
Trend2.7 days earlier per decade2.8 days later per decade
Years with data4142

At 28°F (hard freeze) the median last spring date is May 4 and the median first fall date is Oct 11.

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 29197019801990200020101961: May 301962: May 121963: May 251964: Jun 51965: May 311966: May 311967: May 311968: May 81969: May 271970: May 71971: May 151972: May 111973: May 191974: May 111977: May 161978: May 121979: May 171980: May 91981: May 211985: May 191986: Jun 31987: May 141988: Jun 101989: May 41990: May 131991: May 61992: May 261993: May 221994: May 151995: May 91998: Apr 301999: May 142000: May 162003: May 62004: May 62009: May 212010: May 172011: Apr 232012: May 12013: May 172014: May 20

First fall frost (32°F)

Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27Nov 11197019801990200020101961: Sep 291962: Sep 71963: Sep 141964: Sep 131965: Aug 301966: Sep 261967: Oct 71968: Oct 51969: Oct 91970: Oct 51971: Nov 51972: Oct 11973: Sep 211974: Sep 231976: Sep 241977: Oct 111978: Sep 241979: Sep 201980: Sep 271981: Sep 291982: Aug 291984: Sep 291985: Oct 31986: Sep 81988: Sep 161989: Sep 251990: Sep 181991: Sep 221992: Sep 241993: Sep 201994: Oct 31995: Sep 111996: Oct 41997: Oct 22002: Oct 82003: Oct 32004: Oct 52009: Oct 112010: Oct 102011: Oct 62012: Oct 82013: Oct 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
2014May 20no dataMay 20no data
2013May 17Oct 25May 15Oct 26
2012May 1Oct 8May 1Oct 13
2011Apr 23Oct 6Apr 23Oct 30
2010May 17Oct 10May 12Oct 11
2009May 21Oct 11May 20Oct 12
2004May 6Oct 5Apr 29Nov 4
2003May 6Oct 3Apr 25Oct 3
2002no dataOct 8no dataOct 14
2000May 16no dataApr 27no data
1999May 14no dataApr 30no data
1998Apr 30no dataApr 29no data
1997no dataOct 2no dataOct 2
1996no dataOct 4no dataOct 5
1995May 9Sep 11May 9Oct 17
1994May 15Oct 3May 3Oct 12
1993May 22Sep 20Apr 28Oct 1
1992May 26Sep 24Apr 29Oct 7
1991May 6Sep 22Apr 14Sep 29
1990May 13Sep 18Apr 20Oct 27
1989May 4Sep 25Apr 29Oct 10
1988Jun 10Sep 16Apr 27Oct 14
1987May 14no dataMay 5no data
1986Jun 3Sep 8May 4Oct 11
1985May 19Oct 3May 5Oct 12
1984no dataSep 29no dataOct 6
1982no dataAug 29no dataAug 29
1981May 21Sep 29May 9Oct 12
1980May 9Sep 27Apr 23Sep 28
1979May 17Sep 20May 2Sep 20
1978May 12Sep 24May 4Sep 29
1977May 16Oct 11May 9Oct 14
1976no dataSep 24no dataSep 25
1974May 11Sep 23May 8Sep 24
1973May 19Sep 21Apr 15Sep 21
1972May 11Oct 1May 11Oct 10
1971May 15Nov 5Apr 16Nov 5
1970May 7Oct 5May 7Oct 20
1969May 27Oct 9May 27Oct 23
1968May 8Oct 5May 8Oct 5
1967May 31Oct 7May 23Oct 23
1966May 31Sep 26May 11Oct 21
1965May 31Aug 30Apr 25Sep 28
1964Jun 5Sep 13Apr 16Sep 13
1963May 25Sep 14May 24Sep 24
1962May 12Sep 7May 10Oct 22
1961May 30Sep 29May 6Oct 5

"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.