Frost history / E Grand Rapids, MI
E Grand Rapids, MI: frost dates by year
Last spring and first fall frost at NOAA station USC00202375, 2015 to 2025, measured from daily minimum temperatures.
Elevation 746 ft, 42.938, -85.613. Download the data (JSON) · NOAA daily records
Summary at 32°F
| Last spring frost | First fall frost | |
|---|---|---|
| Median | May 6 | Oct 18 |
| Earliest | Apr 26 (2024) | Oct 5 (2020) |
| Latest | May 15 (2016) | Oct 26 (2017) |
| Trend | 9.6 days earlier per decade | 0.8 days earlier per decade |
| Years with data | 10 | 11 |
At 28°F (hard freeze) the median last spring date is Apr 22 and the median first fall date is Oct 28.
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 10 | Oct 25 | Apr 13 | Oct 26 |
| 2024 | Apr 26 | Oct 17 | Apr 7 | Oct 28 |
| 2023 | Apr 28 | Oct 23 | Apr 27 | Nov 1 |
| 2022 | Apr 29 | Oct 8 | Apr 21 | Oct 27 |
| 2021 | May 14 | Oct 24 | Apr 23 | Nov 3 |
| 2020 | May 14 | Oct 5 | May 13 | Oct 31 |
| 2019 | Apr 29 | Oct 15 | Apr 2 | Nov 6 |
| 2018 | May 1 | Oct 14 | Apr 30 | Oct 18 |
| 2017 | May 10 | Oct 26 | May 8 | Oct 26 |
| 2016 | May 15 | Oct 25 | Apr 13 | Nov 12 |
| 2015 | no data | Oct 18 | no data | Oct 18 |
"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.