Michigan Frost Dates
The median last spring freeze and first fall freeze (32°F) at 211 NOAA stations in Michigan, 1991-2020, with the growing season between them.
Every station
A median date has an even chance of a later freeze in spring or an earlier one in fall. Each town page gives the dates at 36, 32 and 28°F and every probability from 10 to 90 percent.
| Station | Elevation | Last freeze | First freeze | Season, days | Town page |
|---|---|---|---|---|---|
| Adrian 2 Nne | 760 ft | May 1 | October 15 | 167 | Adrian |
| Adrian Lenawee CO AP | 796 ft | April 27 | October 20 | 176 | Adrian |
| Alberta Ford For Ctr | 1,310 ft | May 23 | October 1 | 131 | L'Anse |
| Algonac Wwtp | 580 ft | May 3 | October 18 | 168 | Algonac |
| Allegan 5NE | 750 ft | May 4 | October 15 | 164 | Hopkins |
| Alma | 729 ft | May 1 | October 13 | 165 | Alma |
| Alpena 10NW | 740 ft | May 13 | October 3 | 143 | Alpena |
| Alpena CO Rgnl AP | 684 ft | May 17 | October 1 | 137 | Alpena |
| Alpena Wwtp | 590 ft | May 5 | October 17 | 165 | Alpena |
| Amasa 1W | 1,470 ft | June 6 | September 9 | 95 | Crystal Falls |
| Ann Arbor Muni AP | 839 ft | May 8 | October 4 | 149 | Ann Arbor |
| Ann Arbor Se | 832 ft | May 5 | October 10 | 158 | Ann Arbor |
| Ann Arbor U Of Mich | 813 ft | May 3 | October 13 | 163 | Ann Arbor |
| Atlanta | 879 ft | May 22 | September 27 | 128 | Atlanta |
| Atlanta 5 Wnw | 1,180 ft | May 11 | October 6 | 148 | Atlanta |
| Auburn 2NE | 605 ft | May 3 | October 14 | 164 | Auburn |
| Bad Axe | 715 ft | May 5 | October 19 | 167 | Bad Axe |
| Baraga 7NW | 652 ft | May 25 | September 23 | 121 | Baraga |
| Battle Creek 5NW | 923 ft | May 6 | October 12 | 159 | Level Park-Oak Park |
| Battle Creek Kellogg AP | 928 ft | April 30 | October 19 | 172 | Springfield |
| Benton Harbor AP | 625 ft | May 5 | October 15 | 163 | Benton Heights |
| Benton Harbor AP | 643 ft | May 4 | October 17 | 166 | Benton Heights |
| Bergland Dam | 1,300 ft | May 26 | September 27 | 124 | Wakefield |
| Beulah 7SSW | 773 ft | May 7 | October 20 | 166 | Beulah |
| Big Bay 1NW | 765 ft | May 22 | October 6 | 137 | Negaunee |
| Big Rapids Wtp | 898 ft | May 13 | October 2 | 142 | Big Rapids |
| Blissfield 1NNE | 690 ft | April 29 | October 13 | 167 | Blissfield |
| Bloomingdale | 736 ft | May 7 | October 11 | 157 | Gobles |
| Boyne Falls | 728 ft | May 23 | October 3 | 133 | Boyne City |
| Burton 4N | 757 ft | May 8 | October 5 | 150 | Davison |
| Cadillac | 1,295 ft | May 19 | October 1 | 135 | Cadillac |
| Cadillac 9&10 News | 1,363 ft | May 15 | October 1 | 139 | Cadillac |
| Carleton 2W | 627 ft | April 27 | October 20 | 176 | Carleton |
| Caro Wwtp | 690 ft | May 7 | October 9 | 155 | Caro |
| Cass City 1 Ssw | 698 ft | May 7 | October 10 | 156 | Cass City |
| Central Michigan Univ | 795 ft | April 30 | October 20 | 173 | Mount Pleasant |
| Charlevoix | 593 ft | May 1 | October 28 | 180 | Charlevoix |
| Charlotte | 902 ft | May 1 | October 15 | 167 | Charlotte |
| Chatham 1 Se | 875 ft | May 27 | September 28 | 124 | Munising |
| Chatham Exp Farm 2 | 870 ft | May 30 | September 27 | 120 | Munising |
| Cheboygan | 588 ft | May 11 | October 11 | 153 | Cheboygan |
| Chelsea | 900 ft | April 30 | October 12 | 165 | Chelsea |
| Clarksburg | 1,554 ft | June 5 | September 10 | 97 | West Ishpeming |
| Coldwater St School | 984 ft | May 2 | October 13 | 164 | Coldwater |
| Copper Harbor | 626 ft | May 10 | October 21 | 164 | Eagle River |
| Copper Harbor Ft Wilkins | 625 ft | May 20 | October 15 | 148 | Eagle River |
| Cornell 5SE | 794 ft | May 19 | October 1 | 135 | Gladstone |
| Corunna 2 Ne | 762 ft | May 5 | October 14 | 162 | Corunna |
| Covington 1NNW | 1,611 ft | May 17 | September 30 | 136 | L'Anse |
| Cross Village 1E | 721 ft | May 15 | October 16 | 154 | Pellston |
| Dearborn | 605 ft | May 1 | October 15 | 167 | Dearborn Heights |
| Dearborn #2 | 605 ft | April 27 | October 25 | 181 | Dearborn |
| Detour Village | 595 ft | May 5 | October 20 | 168 | Cheboygan |
| Detroit City AP | 626 ft | April 21 | October 31 | 193 | Hamtramck |
| Detroit Metro AP | 631 ft | April 20 | October 27 | 190 | Taylor |
| Detroit Willow Run AP | 777 ft | April 24 | October 24 | 183 | Belleville |
| Dowagiac 1 W | 740 ft | May 4 | October 11 | 160 | Dowagiac |
| Dundee | 660 ft | April 27 | October 21 | 177 | Dundee |
| Durand Wwtp | 770 ft | May 3 | October 11 | 161 | Durand |
| E Grand Rapids | 746 ft | May 6 | October 10 | 157 | East Grand Rapids |
| E Jordan | 587 ft | May 23 | October 2 | 132 | East Jordan |
| E Jordan 2NW | 646 ft | May 16 | October 6 | 143 | East Jordan |
| E Tawas | 586 ft | May 8 | October 5 | 150 | East Tawas |
| East Lansing 4 S | 880 ft | April 28 | October 17 | 172 | Holt |
| Eaton Rapids | 870 ft | April 30 | October 14 | 167 | Eaton Rapids |
| Eau Claire 4 Ne | 840 ft | April 22 | October 30 | 191 | Eau Claire |
| Engadine Mdot | 685 ft | May 26 | September 30 | 127 | Newberry |
| Escanaba | 590 ft | May 13 | October 7 | 147 | Escanaba |
| Essexville | 588 ft | April 27 | October 20 | 176 | Essexville |
| Farmington | 720 ft | May 1 | October 17 | 169 | Farmington |
| Fife Lake 2WNW | 1,052 ft | May 24 | October 1 | 130 | South Boardman |
| Filion 5NNW | 635 ft | May 8 | October 17 | 162 | Elkton |
| Flint 7W | 679 ft | May 3 | October 13 | 163 | Flushing |
| Flint Bishop Intl AP | 770 ft | May 6 | October 10 | 157 | Swartz Creek |
| Frankenmuth 1SE | 635 ft | May 3 | October 12 | 162 | Frankenmuth |
| Frankfort 2NE | 948 ft | May 2 | October 26 | 177 | Frankfort |
| Fremont 4 Wsw | 800 ft | May 8 | October 11 | 156 | Fremont |
| Garden Corners | 587 ft | May 16 | September 24 | 131 | Manistique |
| Gaylord | 1,318 ft | May 25 | September 26 | 124 | Gaylord |
| Gaylord 9 Ssw | 1,461 ft | May 15 | October 7 | 145 | Gaylord |
| Gaylord 9SSW | 1,468 ft | May 12 | October 7 | 148 | Gaylord |
| Gaylord Otsego CO AP | 1,335 ft | May 22 | September 30 | 131 | Gaylord |
| Gladwin | 775 ft | May 9 | October 4 | 148 | Gladwin |
| Glennie 2SE | 894 ft | May 19 | September 29 | 133 | Sand Lake |
| Goodrich | 910 ft | May 1 | October 14 | 166 | Goodrich |
| Grand Haven Wwtp | 605 ft | April 30 | October 24 | 177 | Spring Lake |
| Grand Marais 2 E | 624 ft | May 27 | October 10 | 136 | Newberry |
| Grand Rapids | 778 ft | April 29 | October 20 | 174 | East Grand Rapids |
| Grayling | 1,137 ft | May 23 | September 27 | 127 | Grayling |
| Greenland 6N | 791 ft | May 23 | October 1 | 131 | Ontonagon |
| Greenville 2 Nne | 882 ft | May 18 | September 28 | 133 | Greenville |
| Grosse Pointe Farms | 613 ft | April 29 | October 22 | 176 | Grosse Pointe Farms |
| Gull Lake Biological Stn | 925 ft | April 29 | October 20 | 174 | South Gull Lake |
| Hale 5SSW #2 | 816 ft | May 23 | September 26 | 126 | Sand Lake |
| Hale Loud Dam | 728 ft | May 16 | October 5 | 142 | Sand Lake |
| Hancock Houghton CO AP | 1,063 ft | May 17 | October 1 | 137 | Hubbell |
| Harbor Beach 1 Sse | 595 ft | May 2 | October 24 | 175 | Harbor Beach |
| Harrisville 2NNE | 585 ft | May 8 | October 16 | 161 | Harrisville |
| Hart 3 Wsw | 770 ft | May 12 | October 10 | 151 | Hart |
| Hastings | 821 ft | May 3 | October 12 | 162 | Hastings |
| Hell | 890 ft | April 30 | October 14 | 167 | Pinckney |
| Herman | 1,717 ft | May 31 | September 22 | 114 | L'Anse |
| Hesperia 4 Wnw | 780 ft | May 17 | October 1 | 137 | Hesperia |
| Hillsdale | 1,080 ft | May 3 | October 12 | 162 | Hillsdale |
| Holland Tulip City AP | 689 ft | April 28 | October 21 | 176 | Holland |
| Holland Wtp | 617 ft | April 27 | October 25 | 181 | Beechwood |
| Houghton Lake 2NW | 1,161 ft | May 20 | October 1 | 134 | Houghton Lake |
| Houghton Lake 6 Wsw | 1,135 ft | May 30 | September 15 | 108 | Houghton Lake |
| Houghton Lk Roscommon AP | 1,151 ft | May 19 | September 23 | 127 | Prudenville |
| Howell Wwtp | 917 ft | May 4 | October 7 | 156 | Howell |
| Ionia 2SSW | 805 ft | May 3 | October 12 | 162 | Ionia |
| Iron Mtn Ford AP | 1,149 ft | May 25 | September 24 | 122 | Iron Mountain |
| Iron Mtn-Kingsford Wwtp | 1,071 ft | May 17 | October 1 | 137 | Kingsford |
| Ironwood | 1,430 ft | May 20 | October 1 | 134 | |
| Ironwood #2 | 1,520 ft | May 19 | September 28 | 132 | Ironwood |
| Ishpeming Wwtp | 1,406 ft | May 26 | September 25 | 122 | West Ishpeming |
| Jackson Reynolds Fld | 998 ft | May 1 | October 14 | 166 | Jackson |
| Jacobsville | 650 ft | June 1 | September 23 | 114 | Dollar Bay |
| Kalamazoo Battle Ck Intl AP | 868 ft | April 28 | October 18 | 173 | Portage |
| Kalkaska | 1,035 ft | May 24 | October 1 | 130 | Kalkaska |
| Kalkaska 11SE | 1,083 ft | May 27 | September 22 | 118 | Kalkaska |
| Kent City 2 Sw | 840 ft | May 14 | September 29 | 138 | Kent City |
| Ki Sawyer Wwtp | 1,116 ft | May 13 | October 2 | 142 | K. I. Sawyer Air Force Base |
| Lake City Exp Farm | 1,230 ft | May 22 | September 26 | 127 | Lake City |
| Lansing Capital City AP | 841 ft | May 1 | October 13 | 165 | Edgemont Park |
| Lapeer 2W | 837 ft | May 4 | October 13 | 162 | Lapeer |
| Lapeer Wwtp | 820 ft | May 4 | October 14 | 163 | Lapeer |
| Lexington Wtp | 622 ft | May 4 | October 24 | 173 | Lexington |
| Linden Wwtp | 863 ft | May 3 | October 12 | 162 | Linden |
| Ludington 4 Se | 690 ft | May 17 | October 7 | 143 | Ludington |
| Lupton 1S | 908 ft | May 21 | September 29 | 131 | Rose City |
| Manchester | 965 ft | April 30 | October 14 | 167 | Manchester |
| Manistee 3SE | 670 ft | May 14 | October 12 | 151 | Oak Hill |
| Manistique Wwtp | 600 ft | May 9 | October 10 | 154 | Manistique |
| Maple City 1E | 799 ft | May 22 | October 9 | 140 | Greilickville |
| Marquette | 665 ft | May 8 | October 21 | 166 | Marquette |
| Marquette | 1,411 ft | May 22 | September 29 | 130 | Negaunee |
| Midland | 640 ft | April 29 | October 16 | 170 | Midland |
| Milan 4 Ese | 670 ft | May 3 | October 10 | 160 | Milan |
| Milan Wwtp | 680 ft | April 26 | October 19 | 176 | Milan |
| Milford Gm Proving Ground | 970 ft | May 6 | October 12 | 159 | Milford |
| Mio Hydro Plt | 960 ft | May 19 | October 2 | 136 | Mio |
| Mio Wwtp | 1,037 ft | May 20 | October 1 | 134 | Mio |
| Monroe | 586 ft | April 23 | October 23 | 183 | South Monroe |
| Montague 4 Nw | 650 ft | May 19 | October 4 | 138 | Montague |
| Moran | 695 ft | May 23 | September 30 | 130 | Saint Ignace |
| Morenci | 770 ft | May 4 | October 7 | 156 | Morenci |
| Mt Clemens Ang Base | 580 ft | April 30 | October 24 | 177 | Mount Clemens |
| Munising | 680 ft | May 16 | October 14 | 151 | Munising |
| Munsing Lakeshore | 612 ft | May 23 | October 10 | 140 | Munising |
| Muskegon CO AP | 625 ft | April 30 | October 19 | 172 | Norton Shores |
| Newberry Correctional Facility | 886 ft | May 21 | October 5 | 137 | Newberry |
| Newport 4SSE | 578 ft | April 27 | October 22 | 178 | Stony Point |
| Niles | 650 ft | April 27 | October 25 | 181 | Niles |
| Northport 2W | 746 ft | May 9 | October 26 | 170 | Northport |
| Nw Michigan Rsch Farm | 820 ft | April 30 | November 1 | 185 | Suttons Bay |
| Nwsfo Grand Rapids | 775 ft | April 30 | October 14 | 167 | East Grand Rapids |
| Oil City 2S | 680 ft | May 15 | September 29 | 137 | Shepherd |
| Old Mission 3SSW | 656 ft | May 13 | October 19 | 159 | Elk Rapids |
| Onaway 4N | 745 ft | May 22 | October 2 | 133 | Onaway |
| Ontonagon 6 Se | 790 ft | May 27 | October 1 | 127 | Ontonagon |
| Owosso Wwtp | 730 ft | May 1 | October 15 | 167 | Owosso |
| Paradise | 628 ft | May 31 | October 1 | 123 | Newberry |
| Paulding | 1,367 ft | May 31 | September 19 | 111 | Iron River |
| Pellston AP #2 | 712 ft | May 21 | September 27 | 129 | Pellston |
| Pellston Rgnl AP | 705 ft | May 31 | September 18 | 110 | Pellston |
| Petoskey | 599 ft | May 6 | October 20 | 167 | Petoskey |
| Petoskey Ncmc | 748 ft | May 16 | October 9 | 146 | Petoskey |
| Pickford 3NE | 629 ft | May 31 | September 25 | 117 | Sault Ste. Marie |
| Pontiac Oakland CO Intl AP | 976 ft | April 29 | October 20 | 174 | Waterford |
| Pontiac Wwtp | 890 ft | April 26 | October 22 | 179 | Pontiac |
| Port Austin Wwtp | 605 ft | May 4 | October 26 | 175 | Port Austin |
| Port Hope | 600 ft | May 5 | October 24 | 172 | Harbor Beach |
| Port Hope | 590 ft | April 28 | November 3 | 189 | Port Austin |
| Port Huron | 590 ft | April 19 | November 3 | 198 | Port Huron |
| Rapid Rvr 4SSE | 598 ft | May 18 | October 4 | 139 | Gladstone |
| Richmond 4 Nnw | 765 ft | May 1 | October 20 | 172 | Memphis |
| Rogers City | 615 ft | May 10 | October 14 | 157 | Rogers City |
| Rudyard 4N | 753 ft | May 24 | October 1 | 130 | Sault Ste. Marie |
| Rudyard 5SE | 667 ft | June 1 | September 21 | 112 | Sault Ste. Marie |
| S Boardman 2W | 1,046 ft | May 24 | October 4 | 133 | South Boardman |
| S Haven | 590 ft | April 17 | November 5 | 202 | South Haven |
| Saginaw #3 | 600 ft | April 29 | October 21 | 175 | Saginaw |
| Saginaw Mbs Intl AP | 660 ft | April 26 | October 17 | 174 | Freeland |
| Saint Johns | 743 ft | April 28 | October 24 | 179 | Saint Johns |
| Saline 4SW | 840 ft | May 2 | October 11 | 162 | Saline |
| Saline Wwtp | 750 ft | May 2 | October 11 | 162 | Saline |
| Sandusky | 774 ft | May 2 | October 16 | 167 | Sandusky |
| Sault Ste Marie | 630 ft | May 22 | October 4 | 135 | Sault Ste. Marie |
| Sault Ste Marie Sanderson Fld | 722 ft | May 9 | October 11 | 155 | Sault Ste. Marie |
| St Ignace | 661 ft | May 16 | October 13 | 150 | Saint Ignace |
| St Ignace Mackinac Br | 595 ft | May 7 | October 23 | 169 | Saint Ignace |
| St James 4SSW Beaver | 672 ft | May 11 | October 19 | 161 | Charlevoix |
| Stambaugh 2SSE | 1,450 ft | June 4 | September 10 | 98 | Caspian |
| Standish 4NE | 615 ft | May 5 | October 10 | 158 | Standish |
| Stephenson 5WSW | 690 ft | May 22 | September 27 | 128 | Stephenson |
| Tecumseh | 780 ft | May 3 | October 13 | 163 | Tecumseh |
| Three Rivers | 810 ft | April 30 | October 17 | 170 | Three Rivers |
| Tipton 2WNW | 970 ft | May 5 | October 10 | 158 | Onsted |
| Traverse City Cherry Cptl AP | 618 ft | May 12 | October 16 | 157 | Traverse City |
| Traverse City Munson | 635 ft | May 9 | October 15 | 159 | Traverse City |
| Trout Lake 1SW | 823 ft | May 21 | October 1 | 133 | Newberry |
| Vanderbilt 11ENE | 905 ft | June 7 | September 14 | 99 | Vanderbilt |
| Vassar | 630 ft | May 9 | October 7 | 151 | Vassar |
| W Branch 3SE | 885 ft | May 15 | October 4 | 142 | West Branch |
| Watton 2WSW | 1,394 ft | May 25 | September 25 | 123 | L'Anse |
| Wellston 1N | 773 ft | May 28 | September 25 | 120 | Oak Hill |
| White Lake 4E | 1,053 ft | May 10 | October 6 | 149 | Waterford |
| Whitefish Pt | 622 ft | May 23 | October 15 | 145 | Sault Ste. Marie |
| Whitmore Lake 1NW | 906 ft | May 5 | October 13 | 161 | Whitmore Lake |
| Yale 1 Nnw | 820 ft | May 12 | October 5 | 146 | Yale |
Sources
NOAA NCEI U.S. Climate Normals, 1991-2020, annual and seasonal freeze probabilities. Public domain.