Goodrich, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00203278, 2005 to 2025, measured from daily minimum temperatures.

Elevation 910 ft, 42.916, -83.510. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 5	Oct 17
Earliest	Apr 20 (2011)	Oct 1 (2009)
Latest	May 28 (2008)	Nov 3 (2021)
Trend	7.3 days earlier per decade	7.8 days later per decade
Years with data	21	20

At 28°F (hard freeze) the median last spring date is Apr 23 and the median first fall date is Nov 2.

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 9	Oct 26	Apr 13	Nov 10
2024	Apr 26	Oct 17	Apr 26	Nov 27
2023	Apr 27	Oct 23	Apr 19	Oct 31
2022	Apr 30	Oct 3	Apr 29	Nov 8
2021	May 12	Nov 3	Apr 23	Nov 3
2020	May 14	Oct 16	May 13	Oct 31
2019	Apr 27	Oct 18	Apr 2	Nov 6
2018	Apr 30	Oct 16	Apr 29	Oct 18
2017	May 9	Oct 26	Mar 30	Nov 8
2016	Apr 28	Oct 25	Apr 11	Nov 12
2015	Apr 28	Oct 17	Apr 26	Nov 8
2014	Apr 28	Oct 10	Apr 17	Oct 19
2013	May 14	Oct 22	Apr 22	Nov 3
2012	Apr 30	Oct 8	Apr 29	Nov 3
2011	Apr 20	Oct 22	Apr 19	Oct 28
2010	May 11	Oct 4	May 10	Nov 1
2009	May 18	Oct 1	Apr 23	Oct 11
2008	May 28	Oct 4	May 1	Oct 22
2007	May 18	Oct 14	Apr 16	Nov 2
2006	May 22	no data	Apr 10	no data
2005	May 5	Oct 9	May 4	Oct 27

"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.