Last Frost Day

Frost history / Clarksburg, MI

Clarksburg, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00201435, 2005 to 2025, measured from daily minimum temperatures.

Elevation 1,554 ft, 46.499, -87.845. Download the data (JSON) · NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianJun 8Sep 10
EarliestMay 21 (2018)Aug 7 (2024)
LatestJul 2 (2007)Oct 9 (2016)
Trend7.4 days earlier per decade3.6 days later per decade
Years with data1919

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

May 15May 30Jun 14Jun 29Jul 14201020202006: Jun 242007: Jul 22008: May 292009: Jun 132010: Jun 82011: Jun 32012: Jun 32013: Jun 192014: Jun 152015: Jun 202016: Jun 92017: Jun 22018: May 212019: Jun 42020: Jun 152021: May 312022: Jun 42024: Jun 112025: Jun 2

First fall frost (32°F)

Jul 29Aug 13Aug 28Sep 12Sep 27Oct 12Oct 27201020202005: Sep 162006: Aug 312007: Aug 182008: Aug 252009: Aug 232010: Sep 102011: Sep 62012: Sep 102013: Sep 142014: Sep 122015: Sep 122016: Oct 92017: Aug 252018: Sep 222019: Oct 52020: Sep 112021: Sep 282024: Aug 72025: Aug 29

Dots are single years. The gray line is the median, the green line the fitted trend.

Year by year

YearLast spring 32°FFirst fall 32°FLast spring 28°FFirst fall 28°F
2025Jun 2Aug 29Jun 1Oct 8
2024Jun 11Aug 7May 31Sep 23
2022Jun 4no dataMay 24no data
2021May 31Sep 28May 30Oct 18
2020Jun 15Sep 11May 17Sep 18
2019Jun 4Oct 5Jun 4Oct 9
2018May 21Sep 22May 14Oct 13
2017Jun 2Aug 25May 20Sep 9
2016Jun 9Oct 9May 18Oct 14
2015Jun 20Sep 12Jun 2Sep 30
2014Jun 15Sep 12May 18Oct 6
2013Jun 19Sep 14Jun 5Oct 14
2012Jun 3Sep 10Jun 1Sep 19
2011Jun 3Sep 6May 28Sep 6
2010Jun 8Sep 10May 11Sep 20
2009Jun 13Aug 23Jun 7Oct 1
2008May 29Aug 25May 29Oct 3
2007Jul 2Aug 18May 22Aug 18
2006Jun 24Aug 31May 24Sep 10
2005no dataSep 16no dataOct 9

"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.