Centerport, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00301309, 2003 to 2025, measured from daily minimum temperatures.

Elevation 30 ft, 40.883, -73.373. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	Apr 3	Nov 15
Earliest	Mar 23 (2006)	Nov 3 (2023)
Latest	Apr 17 (2020)	Dec 9 (2011)
Trend	2.3 days later per decade	0.7 days later per decade
Years with data	21	20

At 28°F (hard freeze) the median last spring date is Mar 23 and the median first fall date is Nov 24.

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)

First fall frost (32°F)

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

Year	Last spring 32°F	First fall 32°F	Last spring 28°F	First fall 28°F
2025	Apr 10	Nov 11	Mar 4	Dec 5
2024	Mar 25	Nov 30	Mar 23	Dec 1
2023	Apr 4	Nov 3	Mar 21	Nov 29
2022	Mar 31	Nov 15	Mar 31	Nov 19
2021	Apr 4	Nov 20	Mar 20	Nov 30
2020	Apr 17	Nov 18	Mar 2	Nov 19
2019	Apr 3	Nov 8	Mar 28	Nov 9
2018	Apr 12	Nov 15	Apr 9	Nov 22
2017	Mar 24	no data	Mar 24	no data
2016	Apr 11	Nov 21	Apr 7	Dec 10
2015	Apr 2	no data	Mar 30	no data
2014	Apr 17	Nov 15	Mar 28	Nov 19
2013	Apr 5	Nov 13	Mar 23	Nov 13
2012	Mar 28	Nov 8	Mar 11	Dec 26
2011	Mar 31	Dec 9	Mar 29	Dec 18
2010	Mar 28	Nov 28	Mar 28	Dec 8
2009	no data	Nov 7	no data	Dec 11
2008	Apr 3	Nov 18	Apr 3	Nov 19
2007	Apr 11	Nov 11	Mar 21	Nov 24
2006	Mar 23	no data	Mar 21	no data
2005	Mar 26	Nov 18	Mar 17	Nov 23
2004	Apr 6	Nov 9	Mar 23	Nov 10
2003	no data	Nov 9	no data	Nov 9

"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.