E Jordan 2NW, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00202382, 2011 to 2025, measured from daily minimum temperatures.

Elevation 646 ft, 45.186, -85.148. Download the data (JSON), NOAA daily records

Summary at 32°F

	Last spring frost	First fall frost
Median	May 22	Oct 12
Earliest	Apr 26 (2024)	Sep 16 (2011)
Latest	Jun 3 (2019)	Oct 26 (2016)
Trend	1.1 days later per decade	little change (less than half a day per decade)
Years with data	14	15

At 28°F (hard freeze) the median last spring date is May 9 and the median first fall date is Oct 22.

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	Jun 1	Oct 9	May 9	Oct 9
2024	Apr 26	Oct 9	Apr 25	Oct 10
2023	May 26	Oct 12	May 5	Oct 23
2022	May 20	Sep 29	Apr 29	Oct 10
2021	May 30	Oct 18	May 13	Nov 4
2020	May 31	Sep 18	May 13	Oct 16
2019	Jun 3	Oct 5	May 11	Oct 19
2018	May 12	Oct 16	May 11	Oct 18
2017	May 20	Oct 16	May 9	Oct 26
2016	May 18	Oct 26	Apr 23	Oct 26
2015	May 23	Oct 17	May 21	Oct 23
2014	May 17	Oct 19	Apr 27	Oct 22
2013	May 25	Oct 14	May 13	Oct 29
2012	May 17	Oct 8	Apr 29	Nov 6
2011	no data	Sep 16	no data	Oct 2

"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.