Corinth, VT: frost dates by year

Last spring and first fall frost at NOAA station USC00431565, 2010 to 2025, measured from daily minimum temperatures.

Elevation 1,180 ft, 44.007, -72.319. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 11	Sep 29
Earliest	Apr 28 (2024)	Sep 15 (2014)
Latest	May 28 (2013)	Oct 24 (2023)
Trend	7.2 days earlier per decade	10.4 days later per decade
Years with data	15	16

At 28°F (hard freeze) the median last spring date is Apr 30 and the median first fall date is Oct 13.

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	May 2	Sep 21	May 1	Oct 10
2024	Apr 28	Oct 17	Apr 28	Oct 17
2023	May 19	Oct 24	May 19	Oct 31
2022	May 11	Sep 30	May 1	Oct 3
2021	May 9	Oct 23	Apr 23	Oct 24
2020	May 15	Sep 19	May 14	Oct 9
2019	May 9	Sep 19	Apr 29	Oct 5
2018	May 14	Oct 14	Apr 24	Oct 18
2017	May 5	Oct 1	Apr 16	Oct 17
2016	May 17	Sep 26	Apr 30	Oct 11
2015	May 24	Sep 27	May 23	Oct 5
2014	May 9	Sep 15	Apr 26	Oct 13
2013	May 28	Sep 17	May 15	Oct 23
2012	May 12	Oct 9	May 1	Oct 13
2011	May 7	Sep 17	Apr 22	Oct 7
2010	no data	Oct 3	no data	Oct 14

"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.