Frost history / Fremont 4 Wsw, MI
Fremont 4 Wsw, MI: frost dates by year
Last spring and first fall frost at NOAA station USC00203025, 2008 to 2025, measured from daily minimum temperatures.
Elevation 800 ft, 43.446, -86.026. Download the data (JSON), NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 5 | Oct 18 |
| Earliest | Apr 13 (2016) | Oct 1 (2009) |
| Latest | May 28 (2008) | Nov 12 (2016) |
| Trend | 14.5 days earlier per decade | 11.2 days later per decade |
| Years with data | 17 | 15 |
At 28°F (hard freeze) the median last spring date is Apr 24 and the median first fall date is Nov 1.
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 17 | Oct 25 | Apr 9 | Nov 10 |
| 2024 | Apr 26 | Oct 27 | Apr 25 | Nov 27 |
| 2023 | Apr 27 | Oct 23 | Apr 7 | Nov 1 |
| 2022 | Apr 29 | Oct 20 | Apr 28 | Nov 13 |
| 2020 | May 13 | no data | May 10 | no data |
| 2019 | Apr 29 | Oct 15 | Apr 16 | Nov 1 |
| 2018 | Apr 30 | Oct 14 | Apr 30 | Oct 18 |
| 2017 | May 9 | no data | Mar 24 | no data |
| 2016 | Apr 13 | Nov 12 | Apr 10 | Nov 12 |
| 2015 | May 20 | Oct 18 | Apr 24 | Nov 22 |
| 2014 | May 17 | Oct 10 | Apr 23 | Oct 19 |
| 2013 | May 14 | Oct 23 | May 13 | Oct 23 |
| 2012 | Apr 30 | Oct 8 | Apr 29 | Nov 5 |
| 2011 | May 5 | Oct 22 | Apr 3 | Oct 28 |
| 2010 | May 10 | Oct 4 | Mar 30 | Nov 1 |
| 2009 | May 18 | Oct 1 | Apr 24 | Oct 11 |
| 2008 | May 28 | Oct 4 | Apr 30 | Oct 22 |
"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.