E Sidney, NY: frost dates by year

Last spring and first fall frost at NOAA station USC00302454, 2010 to 2025, measured from daily minimum temperatures.

Elevation 1,155 ft, 42.333, -75.230. Download the data (JSON) · NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 11	Oct 11
Earliest	Apr 27 (2024)	Sep 19 (2014)
Latest	Jun 3 (2019)	Oct 24 (2023)
Trend	3.7 days earlier per decade	2.9 days later per decade
Years with data	15	16

At 28°F (hard freeze) the median last spring date is May 9 and the median first fall date is Oct 19.

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 29	Oct 9	Apr 28	Oct 10
2024	Apr 27	Oct 13	Apr 27	Oct 18
2023	May 25	Oct 24	May 19	Nov 2
2022	May 11	Oct 9	May 9	Oct 19
2021	May 15	Oct 23	May 14	Nov 3
2020	Jun 2	Sep 19	May 15	Sep 19
2019	Jun 3	Oct 11	May 1	Oct 24
2018	May 2	Oct 16	Apr 24	Oct 19
2017	May 11	Oct 17	May 10	Oct 17
2016	May 11	Oct 11	May 10	Oct 11
2015	May 23	Oct 11	May 23	Oct 18
2014	May 20	Sep 19	Apr 28	Oct 20
2013	May 27	Oct 23	May 14	Oct 28
2012	May 1	Oct 13	May 1	Oct 13
2011	May 10	Oct 6	Apr 23	Oct 28
2010	no data	Oct 10	no data	Oct 10

"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 1991–2020 frost probabilities.