Last Frost Day

Frost history / Burton 4N, MI

Burton 4N, MI: frost dates by year

Last spring and first fall frost at NOAA station USC00201150, 2006 to 2025, measured from daily minimum temperatures.

Elevation 757 ft, 43.068, -83.592. Download the data (JSON), NOAA daily records

Summary at 32°F

Last spring frostFirst fall frost
MedianMay 18Oct 10
EarliestApr 30 (2012)Sep 17 (2013)
LatestMay 30 (2021)Oct 26 (2017)
Trend10.3 days later per decade2.4 days later per decade
Years with data1116

At 28°F (hard freeze) the median last spring date is Apr 30 and the median first fall date is Oct 25.

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)

Apr 15Apr 30May 15May 30Jun 14201020202011: May 12012: Apr 302013: May 262014: May 182015: May 242016: May 192017: May 102020: May 142021: May 302022: May 82023: May 27

First fall frost (32°F)

Sep 12Sep 27Oct 12Oct 27Nov 11201020202006: Oct 62011: Oct 222012: Oct 82013: Sep 172014: Oct 102015: Oct 172016: Oct 102017: Oct 262018: Oct 162019: Oct 152020: Sep 192021: Oct 242022: Oct 32023: Oct 232024: Oct 102025: Oct 9

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
2025no dataOct 9no dataOct 26
2024no dataOct 10no dataOct 27
2023May 27Oct 23Apr 27Oct 24
2022May 8Oct 3Apr 30Oct 8
2021May 30Oct 24May 2Nov 3
2020May 14Sep 19May 14Oct 16
2019no dataOct 15no dataOct 26
2018no dataOct 16no dataOct 18
2017May 10Oct 26May 9Oct 26
2016May 19Oct 10Apr 28Oct 26
2015May 24Oct 17Apr 29Oct 18
2014May 18Oct 10Apr 27Oct 11
2013May 26Sep 17May 14Oct 25
2012Apr 30Oct 8Apr 30Oct 8
2011May 1Oct 22Apr 18Oct 28
2006no dataOct 6no dataOct 15

"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.