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Michigan frost dates by weather station

Michigan has 213 NOAA weather stations with 1991–2020 freeze statistics. Median last spring frost dates run from Apr 17 at S Haven to Jun 7 at Vanderbilt 11ene.

213Stations
Apr 17Earliest last frostS Haven
Jun 7Latest last frostVanderbilt 11ene
201 daysLongest growing seasonS Haven

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Michigan stations: median (50%) frost dates at 32°F
Station	Last spring frost	First fall frost	Growing season	Elevation
Adrian 2 NNE	May 1	Oct 15	164 days	760 ft
Adrian Lenawee Co Airport	Apr 27	Oct 20	173 days	796 ft
Alberta Ford For Center	May 23	Oct 1	128 days	1,310 ft
Algonac Wastewater Plant	May 3	Oct 18	167 days	580 ft
Allegan 5ne	May 4	Oct 15	160 days	750 ft
Alma	May 1	Oct 13	164 days	729 ft
Alpena 10nw	May 13	Oct 3	141 days	740 ft
Alpena Co Regional Airport	May 17	Oct 1	136 days	684 ft
Alpena Wastewater Plant	May 5	Oct 17	163 days	590 ft
Amasa 1w	Jun 6	Sep 9	94 days	1,470 ft
Ann Arbor Muni Airport	May 8	Oct 4	147 days	839 ft
Ann Arbor SE	May 5	Oct 10	157 days	832 ft
Ann Arbor U Of Mich	May 3	Oct 13	160 days	813 ft
Atlanta	May 22	Sep 27	127 days	879 ft
Atlanta 5 WNW	May 11	Oct 6	146 days	1,180 ft
Auburn 2ne	May 3	Oct 14	161 days	605 ft
Bad Axe	May 5	Oct 19	163 days	715 ft
Baraga 7nw	May 25	Sep 23	119 days	652 ft
Battle Creek 5nw	May 6	Oct 12	158 days	923 ft
Battle Creek Kellogg Airport	Apr 30	Oct 19	170 days	928 ft
Benton Harbor Airport	May 5	Oct 15	161 days	625 ft
Benton Harbor Airport	May 4	Oct 17	164 days	643 ft
Bergland Dam	May 26	Sep 27	123 days	1,300 ft
Beulah 7ssw	May 7	Oct 20	163 days	773 ft
Big Bay 1nw	May 22	Oct 6	137 days	765 ft
Big Rapids Water Plant	May 13	Oct 2	142 days	898 ft
Blissfield 1nne	Apr 29	Oct 13	168 days	690 ft
Bloomingdale	May 7	Oct 11	156 days	736 ft
Boyne Falls	May 23	Oct 3	133 days	728 ft
Burton 4n	May 8	Oct 5	148 days	757 ft
Cadillac	May 19	Oct 1	135 days	1,295 ft
Cadillac 9&10 News	May 15	Oct 1	139 days	1,363 ft
Carleton 2w	Apr 27	Oct 20	176 days	627 ft
Caro Wastewater Plant	May 7	Oct 9	154 days	690 ft
Cass City 1 SSW	May 7	Oct 10	152 days	698 ft
Central Michigan Univ	Apr 30	Oct 20	171 days	795 ft
Champion Van Riper Pk	any month	any month	96 days	1,599 ft
Charlevoix	May 1	Oct 28	178 days	593 ft
Charlotte	May 1	Oct 15	164 days	902 ft
Chatham 1 SE	May 27	Sep 28	124 days	875 ft
Chatham Exp. Farm 2	May 30	Sep 27	119 days	870 ft
Cheboygan	May 11	Oct 11	152 days	588 ft
Chelsea	Apr 30	Oct 12	163 days	900 ft
Clarksburg	Jun 5	Sep 10	96 days	1,554 ft
Coldwater St. School	May 2	Oct 13	163 days	984 ft
Copper Harbor	May 10	Oct 21	161 days	626 ft
Copper Harbor Fort Wilkins	May 20	Oct 15	148 days	625 ft
Cornell 5se	May 19	Oct 1	133 days	794 ft
Corunna 2 NE	May 5	Oct 14	160 days	762 ft
Covington 1nnw	May 17	Sep 30	134 days	1,611 ft
Cross Village 1e	May 15	Oct 16	152 days	721 ft
Dearborn	May 1	Oct 15	166 days	605 ft
Dearborn #2	Apr 27	Oct 25	181 days	605 ft
Detour Village	May 5	Oct 20	167 days	595 ft
Detroit City Airport	Apr 21	Oct 31	190 days	626 ft
Detroit Metro Airport	Apr 20	Oct 27	188 days	631 ft
Detroit Willow Run Airport	Apr 24	Oct 24	179 days	777 ft
Dowagiac 1 W	May 4	Oct 11	158 days	740 ft
Dundee	Apr 27	Oct 21	176 days	660 ft
Durand Wastewater Plant	May 3	Oct 11	159 days	770 ft
E Grand Rapids	May 6	Oct 10	157 days	746 ft
E Jordan	May 23	Oct 2	131 days	587 ft
E Jordan 2nw	May 16	Oct 6	144 days	646 ft
E Tawas	May 8	Oct 5	148 days	586 ft
East Lansing 4 S	Apr 28	Oct 17	173 days	880 ft
Eaton Rapids	Apr 30	Oct 14	165 days	870 ft
Eau Claire 4 NE	Apr 22	Oct 30	189 days	840 ft
Engadine Mdot	May 26	Sep 30	127 days	685 ft
Escanaba	May 13	Oct 7	147 days	590 ft
Essexville	Apr 27	Oct 20	173 days	588 ft
Farmington	May 1	Oct 17	165 days	720 ft
Fife Lake 2wnw	May 24	Oct 1	130 days	1,052 ft
Filion 5nnw	May 8	Oct 17	162 days	635 ft
Flint 7w	May 3	Oct 13	162 days	679 ft
Flint Bishop Intl Airport	May 6	Oct 10	155 days	770 ft
Frankenmuth 1se	May 3	Oct 12	161 days	635 ft
Frankfort 2ne	May 2	Oct 26	175 days	948 ft
Fremont 4 WSW	May 8	Oct 11	155 days	800 ft
Garden Corners	May 16	Sep 24	129 days	587 ft
Gaylord	May 25	Sep 26	125 days	1,318 ft
Gaylord 9 SSW	May 15	Oct 7	145 days	1,461 ft
Gaylord 9ssw	May 12	Oct 7	147 days	1,468 ft
Gaylord Otsego Co Airport	May 22	Sep 30	130 days	1,335 ft
Gladwin	May 9	Oct 4	148 days	775 ft
Glennie 2se	May 19	Sep 29	133 days	894 ft
Goodrich	May 1	Oct 14	164 days	910 ft
Grand Haven Wastewater Plant	Apr 30	Oct 24	175 days	605 ft
Grand Marais 2 E	May 27	Oct 10	138 days	624 ft
Grand Rapids	Apr 29	Oct 20	174 days	778 ft
Grayling	May 23	Sep 27	124 days	1,137 ft
Greenland 6n	May 23	Oct 1	128 days	791 ft
Greenville 2 NNE	May 18	Sep 28	133 days	882 ft
Grosse Pointe Farms	Apr 29	Oct 22	176 days	613 ft
Gull Lake Biological Station	Apr 29	Oct 20	173 days	925 ft
Hale 5ssw #2	May 23	Sep 26	127 days	816 ft
Hale Loud Dam	May 16	Oct 5	143 days	728 ft
Hancock Houghton Co Airport	May 17	Oct 1	138 days	1,063 ft
Harbor Beach 1 SSE	May 2	Oct 24	173 days	595 ft
Harrisville 2nne	May 8	Oct 16	160 days	585 ft
Hart 3 WSW	May 12	Oct 10	151 days	770 ft
Hastings	May 3	Oct 12	158 days	821 ft
Hell	Apr 30	Oct 14	166 days	890 ft
Herman	May 31	Sep 22	115 days	1,717 ft
Hesperia 4 WNW	May 17	Oct 1	137 days	780 ft
Hillsdale	May 3	Oct 12	161 days	1,080 ft
Holland Tulip City Airport	Apr 28	Oct 21	175 days	689 ft
Holland Water Plant	Apr 27	Oct 25	178 days	617 ft
Houghton Lake 2nw	May 20	Oct 1	136 days	1,161 ft
Houghton Lake 6 WSW	May 30	Sep 15	106 days	1,135 ft
Houghton Lake Roscommon Airport	May 19	Sep 23	125 days	1,151 ft
Howell Wastewater Plant	May 4	Oct 7	156 days	917 ft
Ionia 2ssw	May 3	Oct 12	161 days	805 ft
Iron Mountain Ford Airport	May 25	Sep 24	121 days	1,149 ft
Iron Mtn-Kingsford Wastewater Plant	May 17	Oct 1	135 days	1,071 ft
Ironwood	May 20	Oct 1	132 days	1,430 ft
Ironwood #2	May 19	Sep 28	130 days	1,520 ft
Ishpeming Wastewater Plant	May 26	Sep 25	119 days	1,406 ft
Jackson Reynolds Field	May 1	Oct 14	164 days	998 ft
Jacobsville	Jun 1	Sep 23	115 days	650 ft
Kalamazoo Battle Ck Intl Airport	Apr 28	Oct 18	172 days	868 ft
Kalkaska	May 24	Oct 1	128 days	1,035 ft
Kalkaska 11se	May 27	Sep 22	117 days	1,083 ft
Kent City 2 SW	May 14	Sep 29	135 days	840 ft
Ki Sawyer Wastewater Plant	May 13	Oct 2	141 days	1,116 ft
Lake City Exp. Farm	May 22	Sep 26	125 days	1,230 ft
Lansing Capital City Airport	May 1	Oct 13	162 days	841 ft
Lapeer 2w	May 4	Oct 13	161 days	837 ft
Lapeer Wastewater Plant	May 4	Oct 14	160 days	820 ft
Lexington Water Plant	May 4	Oct 24	171 days	622 ft
Linden Wastewater Plant	May 3	Oct 12	161 days	863 ft
Ludington 4 SE	May 17	Oct 7	144 days	690 ft
Lupton 1s	May 21	Sep 29	129 days	908 ft
Manchester	Apr 30	Oct 14	165 days	965 ft
Manistee 3se	May 14	Oct 12	151 days	670 ft
Manistique Wastewater Plant	May 9	Oct 10	154 days	600 ft
Maple City 1e	May 22	Oct 9	140 days	799 ft
Marquette	May 8	Oct 21	164 days	665 ft
Marquette	May 22	Sep 29	129 days	1,411 ft
Midland	Apr 29	Oct 16	167 days	640 ft
Milan 4 ESE	May 3	Oct 10	158 days	670 ft
Milan Wastewater Plant	Apr 26	Oct 19	175 days	680 ft
Milford Gm Proving Ground	May 6	Oct 12	157 days	970 ft
Mio Hydro Plant	May 19	Oct 2	136 days	960 ft
Mio Wastewater Plant	May 20	Oct 1	133 days	1,037 ft
Monroe	Apr 23	Oct 23	182 days	586 ft
Montague 4 NW	May 19	Oct 4	136 days	650 ft
Moran	May 23	Sep 30	130 days	695 ft
Morenci	May 4	Oct 7	156 days	770 ft
Mount Clemens Ang Base	Apr 30	Oct 24	174 days	580 ft
Munising	May 16	Oct 14	148 days	680 ft
Munsing Lakeshore	May 23	Oct 10	138 days	612 ft
Muskegon Co Airport	Apr 30	Oct 19	170 days	625 ft
NW Michigan Rsch Farm	Apr 30	Nov 1	182 days	820 ft
Newberry Correctional Facility	May 21	Oct 5	135 days	886 ft
Newport 4sse	Apr 27	Oct 22	177 days	578 ft
Niles	Apr 27	Oct 25	180 days	650 ft
Northport 2w	May 9	Oct 26	169 days	746 ft
Nwsfo Grand Rapids	Apr 30	Oct 14	167 days	775 ft
Oil City 2s	May 15	Sep 29	134 days	680 ft
Old Mission 3ssw	May 13	Oct 19	158 days	656 ft
Onaway 4n	May 22	Oct 2	135 days	745 ft
Ontonagon 6 SE	May 27	Oct 1	127 days	790 ft
Owosso Wastewater Plant	May 1	Oct 15	164 days	730 ft
Paradise	May 31	Oct 1	122 days	628 ft
Paulding	May 31	Sep 19	111 days	1,367 ft
Pellston Airport #2	May 21	Sep 27	128 days	712 ft
Pellston Regional Airport	May 31	Sep 18	108 days	705 ft
Petoskey	May 6	Oct 20	166 days	599 ft
Petoskey Ncmc	May 16	Oct 9	147 days	748 ft
Pickford 3ne	May 31	Sep 25	116 days	629 ft
Pontiac Oakland Co Intl Airport	Apr 29	Oct 20	172 days	976 ft
Pontiac Wastewater Plant	Apr 26	Oct 22	177 days	890 ft
Port Austin Wastewater Plant	May 4	Oct 26	172 days	605 ft
Port Hope	May 5	Oct 24	169 days	600 ft
Port Hope	Apr 28	Nov 3	187 days	590 ft
Port Huron	Apr 19	Nov 3	196 days	590 ft
Rapid River 4sse	May 18	Oct 4	137 days	598 ft
Richmond 4 NNW	May 1	Oct 20	170 days	765 ft
Rogers City	May 10	Oct 14	154 days	615 ft
Rudyard 4n	May 24	Oct 1	127 days	753 ft
Rudyard 5se	Jun 1	Sep 21	110 days	667 ft
S Boardman 2w	May 24	Oct 4	133 days	1,046 ft
S Haven	Apr 17	Nov 5	201 days	590 ft
Saginaw #3	Apr 29	Oct 21	175 days	600 ft
Saginaw Mbs Intl Airport	Apr 26	Oct 17	172 days	660 ft
Saint Johns	Apr 28	Oct 24	179 days	743 ft
Saline 4sw	May 2	Oct 11	160 days	840 ft
Saline Wastewater Plant	May 2	Oct 11	160 days	750 ft
Sandusky	May 2	Oct 16	165 days	774 ft
Sault Ste Marie	May 22	Oct 4	136 days	630 ft
Sault Ste Marie Sanderson Field	May 9	Oct 11	151 days	722 ft
St. Ignace	May 16	Oct 13	149 days	661 ft
St. Ignace Mackinac Br	May 7	Oct 23	167 days	595 ft
St. James 4ssw Beaver	May 11	Oct 19	159 days	672 ft
Stambaugh 2sse	Jun 4	Sep 10	95 days	1,450 ft
Standish 4ne	May 5	Oct 10	156 days	615 ft
Stephenson 5wsw	May 22	Sep 27	126 days	690 ft
Tahquamenon Falls State Park	any month	any month	95 days	745 ft
Tecumseh	May 3	Oct 13	160 days	780 ft
Three Rivers	Apr 30	Oct 17	170 days	810 ft
Tipton 2wnw	May 5	Oct 10	157 days	970 ft
Traverse City Cherry Cptl Airport	May 12	Oct 16	155 days	618 ft
Traverse City Munson	May 9	Oct 15	156 days	635 ft
Trout Lake 1sw	May 21	Oct 1	131 days	823 ft
Vanderbilt 11ene	Jun 7	Sep 14	95 days	905 ft
Vassar	May 9	Oct 7	150 days	630 ft
W Branch 3se	May 15	Oct 4	143 days	885 ft
Watton 2wsw	May 25	Sep 25	123 days	1,394 ft
Wellston 1n	May 28	Sep 25	119 days	773 ft
White Lake 4e	May 10	Oct 6	148 days	1,053 ft
Whitefish Point	May 23	Oct 15	144 days	622 ft
Whitmore Lake 1nw	May 5	Oct 13	160 days	906 ft
Yale 1 NNW	May 12	Oct 5	147 days	820 ft

Sources

NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.

Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.