Frost Dates in Michigan
Across 211 NOAA weather stations in Michigan, the average last spring frost falls between April 17 at S Haven and June 7 at Vanderbilt 11ENE. At a typical Michigan station it is around May 8, with the first fall frost around October 11 and a frost-free season of about 155 days.
Find the frost dates for your ZIP code
A typical Michigan season
What shapes frost dates in Michigan
- The frost-free season ranges from 94 days at Amasa 1W to 201 days at S Haven.
- Elevation matters: Herman, at 1,717 ft, averages its last frost on May 31, while Newport 4SSE, at 578 ft, averages April 27.
- Gardens in valleys and low spots, where cold air settles, often frost a week or more later in spring than the nearest station.
Frost dates at major airports
| Station | Last frost | Safer date | First frost | Season (days) |
|---|---|---|---|---|
| Adrian Lenawee Co Airport | Apr 27 | May 14 | Oct 20 | 173 |
| Alpena Co Rgnl Airport | May 17 | May 31 | Oct 1 | 136 |
| Alpena Wwtp | May 5 | May 21 | Oct 17 | 163 |
| Ann Arbor Muni Airport | May 8 | May 26 | Oct 4 | 147 |
| Battle Creek Kellogg Airport | Apr 30 | May 17 | Oct 19 | 170 |
| Benton Harbor Airport | May 4 | May 22 | Oct 17 | 164 |
| Cadillac | May 19 | Jun 3 | Oct 1 | 135 |
| Chatham 1 SE | May 27 | Jun 12 | Sep 28 | 124 |
| Copper Harbor | May 10 | Jun 2 | Oct 21 | 161 |
| Detroit City Airport | Apr 21 | May 6 | Oct 31 | 190 |
| Detroit Metro Airport | Apr 20 | May 8 | Oct 27 | 188 |
| Detroit Willow Run Airport | Apr 24 | May 11 | Oct 24 | 179 |
| Escanaba | May 13 | May 31 | Oct 7 | 147 |
| Flint Bishop Intl Airport | May 6 | May 23 | Oct 10 | 155 |
| Gaylord 9 SSW | May 15 | May 30 | Oct 7 | 145 |
| Gaylord Otsego Co Airport | May 22 | Jun 6 | Sep 30 | 130 |
| Gladwin | May 9 | May 23 | Oct 4 | 148 |
| Grand Marais 2 E | May 27 | Jun 13 | Oct 10 | 138 |
| Grand Rapids | Apr 29 | May 15 | Oct 20 | 174 |
| Hancock Houghton Co Airport | May 17 | Jun 3 | Oct 1 | 138 |
| Holland Tulip City Airport | Apr 28 | May 16 | Oct 21 | 175 |
| Houghton Lk Roscommon Airport | May 19 | Jun 3 | Sep 23 | 125 |
| Iron Mtn Ford Airport | May 25 | Jun 6 | Sep 24 | 121 |
| Jackson Reynolds Fld | May 1 | May 18 | Oct 14 | 164 |
| Kalamazoo Battle Ck Intl Airport | Apr 28 | May 13 | Oct 18 | 172 |
| Lansing Capital City Airport | May 1 | May 18 | Oct 13 | 162 |
| Marquette | May 8 | May 23 | Oct 21 | 164 |
| Marquette | May 22 | Jun 4 | Sep 29 | 129 |
| Mt Clemens Ang Base | Apr 30 | May 15 | Oct 24 | 174 |
| Munsing Lakeshore | May 23 | Jun 8 | Oct 10 | 138 |
| Muskegon Co Airport | Apr 30 | May 18 | Oct 19 | 170 |
| Pellston Rgnl Airport | May 31 | Jun 21 | Sep 18 | 108 |
| Pontiac Oakland Co Intl Airport | Apr 29 | May 14 | Oct 20 | 172 |
| Port Hope | Apr 28 | May 14 | Nov 3 | 187 |
| Saginaw Mbs Intl Airport | Apr 26 | May 13 | Oct 17 | 172 |
| Sault Ste Marie Sanderson Fld | May 9 | May 27 | Oct 11 | 151 |
| Traverse City Cherry Cptl Airport | May 12 | May 27 | Oct 16 | 155 |
All 211 weather stations in Michigan
| Station | Elevation (ft) | Last frost | Safer date | First frost | Season (days) |
|---|---|---|---|---|---|
| Adrian 2 NNE | 760 | May 1 | May 17 | Oct 15 | 164 |
| Adrian Lenawee Co Airport | 796 | Apr 27 | May 14 | Oct 20 | 173 |
| Alberta Ford For Ctr | 1,310 | May 23 | Jun 8 | Oct 1 | 128 |
| Algonac Wwtp | 580 | May 3 | May 23 | Oct 18 | 167 |
| Allegan 5NE | 750 | May 4 | May 22 | Oct 15 | 160 |
| Alma | 729 | May 1 | May 19 | Oct 13 | 164 |
| Alpena 10NW | 740 | May 13 | May 30 | Oct 3 | 141 |
| Alpena Co Rgnl Airport | 684 | May 17 | May 31 | Oct 1 | 136 |
| Alpena Wwtp | 590 | May 5 | May 21 | Oct 17 | 163 |
| Amasa 1W | 1,470 | Jun 6 | Jul 7 | Sep 9 | 94 |
| Ann Arbor Muni Airport | 839 | May 8 | May 26 | Oct 4 | 147 |
| Ann Arbor SE | 832 | May 5 | May 20 | Oct 10 | 157 |
| Ann Arbor U Of Mich | 813 | May 3 | May 20 | Oct 13 | 160 |
| Atlanta | 879 | May 22 | Jun 5 | Sep 27 | 127 |
| Atlanta 5 WNW | 1,180 | May 11 | May 31 | Oct 6 | 146 |
| Auburn 2NE | 605 | May 3 | May 23 | Oct 14 | 161 |
| Bad Axe | 715 | May 5 | May 20 | Oct 19 | 163 |
| Baraga 7NW | 652 | May 25 | Jun 9 | Sep 23 | 119 |
| Battle Creek 5NW | 923 | May 6 | May 23 | Oct 12 | 158 |
| Battle Creek Kellogg Airport | 928 | Apr 30 | May 17 | Oct 19 | 170 |
| Benton Harbor Airport | 625 | May 5 | May 26 | Oct 15 | 161 |
| Benton Harbor Airport | 643 | May 4 | May 22 | Oct 17 | 164 |
| Bergland Dam | 1,300 | May 26 | Jun 8 | Sep 27 | 123 |
| Beulah 7SSW | 773 | May 7 | May 25 | Oct 20 | 163 |
| Big Bay 1NW | 765 | May 22 | Jun 5 | Oct 6 | 137 |
| Big Rapids Wtp | 898 | May 13 | May 28 | Oct 2 | 142 |
| Blissfield 1NNE | 690 | Apr 29 | May 15 | Oct 13 | 168 |
| Bloomingdale | 736 | May 7 | May 22 | Oct 11 | 156 |
| Boyne Falls | 728 | May 23 | Jun 6 | Oct 3 | 133 |
| Burton 4N | 757 | May 8 | May 22 | Oct 5 | 148 |
| Cadillac | 1,295 | May 19 | Jun 3 | Oct 1 | 135 |
| Cadillac 9&10 News | 1,363 | May 15 | May 30 | Oct 1 | 139 |
| Carleton 2W | 627 | Apr 27 | May 13 | Oct 20 | 176 |
| Caro Wwtp | 690 | May 7 | May 24 | Oct 9 | 154 |
| Cass City 1 SSW | 698 | May 7 | May 22 | Oct 10 | 152 |
| Central Michigan Univ | 795 | Apr 30 | May 16 | Oct 20 | 171 |
| Charlevoix | 593 | May 1 | May 16 | Oct 28 | 178 |
| Charlotte | 902 | May 1 | May 18 | Oct 15 | 164 |
| Chatham 1 SE | 875 | May 27 | Jun 12 | Sep 28 | 124 |
| Chatham Exp Farm 2 | 870 | May 30 | Jun 21 | Sep 27 | 119 |
| Cheboygan | 588 | May 11 | May 25 | Oct 11 | 152 |
| Chelsea | 900 | Apr 30 | May 17 | Oct 12 | 163 |
| Clarksburg | 1,554 | Jun 5 | Jun 24 | Sep 10 | 96 |
| Coldwater St School | 984 | May 2 | May 18 | Oct 13 | 163 |
| Copper Harbor | 626 | May 10 | Jun 2 | Oct 21 | 161 |
| Copper Harbor Ft Wilkins | 625 | May 20 | Jun 3 | Oct 15 | 148 |
| Cornell 5SE | 794 | May 19 | Jun 3 | Oct 1 | 133 |
| Corunna 2 NE | 762 | May 5 | May 20 | Oct 14 | 160 |
| Covington 1NNW | 1,611 | May 17 | May 30 | Sep 30 | 134 |
| Cross Village 1E | 721 | May 15 | May 30 | Oct 16 | 152 |
| Dearborn | 605 | May 1 | May 18 | Oct 15 | 166 |
| Dearborn #2 | 605 | Apr 27 | May 11 | Oct 25 | 181 |
| Detour Village | 595 | May 5 | May 20 | Oct 20 | 167 |
| Detroit City Airport | 626 | Apr 21 | May 6 | Oct 31 | 190 |
| Detroit Metro Airport | 631 | Apr 20 | May 8 | Oct 27 | 188 |
| Detroit Willow Run Airport | 777 | Apr 24 | May 11 | Oct 24 | 179 |
| Dowagiac 1 W | 740 | May 4 | May 22 | Oct 11 | 158 |
| Dundee | 660 | Apr 27 | May 13 | Oct 21 | 176 |
| Durand Wwtp | 770 | May 3 | May 19 | Oct 11 | 159 |
| E Grand Rapids | 746 | May 6 | May 23 | Oct 10 | 157 |
| E Jordan | 587 | May 23 | Jun 6 | Oct 2 | 131 |
| E Jordan 2NW | 646 | May 16 | May 30 | Oct 6 | 144 |
| E Tawas | 586 | May 8 | May 26 | Oct 5 | 148 |
| East Lansing 4 S | 880 | Apr 28 | May 16 | Oct 17 | 173 |
| Eaton Rapids | 870 | Apr 30 | May 16 | Oct 14 | 165 |
| Eau Claire 4 NE | 840 | Apr 22 | May 7 | Oct 30 | 189 |
| Engadine Mdot | 685 | May 26 | Jun 10 | Sep 30 | 127 |
| Escanaba | 590 | May 13 | May 31 | Oct 7 | 147 |
| Essexville | 588 | Apr 27 | May 11 | Oct 20 | 173 |
| Farmington | 720 | May 1 | May 16 | Oct 17 | 165 |
| Fife Lake 2WNW | 1,052 | May 24 | Jun 6 | Oct 1 | 130 |
| Filion 5NNW | 635 | May 8 | May 22 | Oct 17 | 162 |
| Flint 7W | 679 | May 3 | May 20 | Oct 13 | 162 |
| Flint Bishop Intl Airport | 770 | May 6 | May 23 | Oct 10 | 155 |
| Frankenmuth 1SE | 635 | May 3 | May 20 | Oct 12 | 161 |
| Frankfort 2NE | 948 | May 2 | May 20 | Oct 26 | 175 |
| Fremont 4 WSW | 800 | May 8 | May 25 | Oct 11 | 155 |
| Garden Corners | 587 | May 16 | Jun 3 | Sep 24 | 129 |
| Gaylord | 1,318 | May 25 | Jun 8 | Sep 26 | 125 |
| Gaylord 9 SSW | 1,461 | May 15 | May 30 | Oct 7 | 145 |
| Gaylord 9SSW | 1,468 | May 12 | May 29 | Oct 7 | 147 |
| Gaylord Otsego Co Airport | 1,335 | May 22 | Jun 6 | Sep 30 | 130 |
| Gladwin | 775 | May 9 | May 23 | Oct 4 | 148 |
| Glennie 2SE | 894 | May 19 | Jun 2 | Sep 29 | 133 |
| Goodrich | 910 | May 1 | May 18 | Oct 14 | 164 |
| Grand Haven Wwtp | 605 | Apr 30 | May 16 | Oct 24 | 175 |
| Grand Marais 2 E | 624 | May 27 | Jun 13 | Oct 10 | 138 |
| Grand Rapids | 778 | Apr 29 | May 15 | Oct 20 | 174 |
| Grayling | 1,137 | May 23 | Jun 7 | Sep 27 | 124 |
| Greenland 6N | 791 | May 23 | Jun 8 | Oct 1 | 128 |
| Greenville 2 NNE | 882 | May 18 | Jun 3 | Sep 28 | 133 |
| Grosse Pointe Farms | 613 | Apr 29 | May 13 | Oct 22 | 176 |
| Gull Lake Biological Stn | 925 | Apr 29 | May 18 | Oct 20 | 173 |
| Hale 5SSW #2 | 816 | May 23 | Jun 7 | Sep 26 | 127 |
| Hale Loud Dam | 728 | May 16 | May 30 | Oct 5 | 143 |
| Hancock Houghton Co Airport | 1,063 | May 17 | Jun 3 | Oct 1 | 138 |
| Harbor Beach 1 SSE | 595 | May 2 | May 17 | Oct 24 | 173 |
| Harrisville 2NNE | 585 | May 8 | May 24 | Oct 16 | 160 |
| Hart 3 WSW | 770 | May 12 | May 28 | Oct 10 | 151 |
| Hastings | 821 | May 3 | May 22 | Oct 12 | 158 |
| Hell | 890 | Apr 30 | May 17 | Oct 14 | 166 |
| Herman | 1,717 | May 31 | Jun 17 | Sep 22 | 115 |
| Hesperia 4 WNW | 780 | May 17 | Jun 1 | Oct 1 | 137 |
| Hillsdale | 1,080 | May 3 | May 19 | Oct 12 | 161 |
| Holland Tulip City Airport | 689 | Apr 28 | May 16 | Oct 21 | 175 |
| Holland Wtp | 617 | Apr 27 | May 12 | Oct 25 | 178 |
| Houghton Lake 2NW | 1,161 | May 20 | Jun 3 | Oct 1 | 136 |
| Houghton Lake 6 WSW | 1,135 | May 30 | Jun 19 | Sep 15 | 106 |
| Houghton Lk Roscommon Airport | 1,151 | May 19 | Jun 3 | Sep 23 | 125 |
| Howell Wwtp | 917 | May 4 | May 21 | Oct 7 | 156 |
| Ionia 2SSW | 805 | May 3 | May 21 | Oct 12 | 161 |
| Iron Mtn Ford Airport | 1,149 | May 25 | Jun 6 | Sep 24 | 121 |
| Iron Mtn-Kingsford Wwtp | 1,071 | May 17 | May 31 | Oct 1 | 135 |
| Ironwood | 1,430 | May 20 | Jun 3 | Oct 1 | 132 |
| Ironwood #2 | 1,520 | May 19 | Jun 3 | Sep 28 | 130 |
| Ishpeming Wwtp | 1,406 | May 26 | Jun 8 | Sep 25 | 119 |
| Jackson Reynolds Fld | 998 | May 1 | May 18 | Oct 14 | 164 |
| Jacobsville | 650 | Jun 1 | Jun 17 | Sep 23 | 115 |
| Kalamazoo Battle Ck Intl Airport | 868 | Apr 28 | May 13 | Oct 18 | 172 |
| Kalkaska | 1,035 | May 24 | Jun 7 | Oct 1 | 128 |
| Kalkaska 11SE | 1,083 | May 27 | Jun 13 | Sep 22 | 117 |
| Kent City 2 SW | 840 | May 14 | May 31 | Sep 29 | 135 |
| Ki Sawyer Wwtp | 1,116 | May 13 | May 29 | Oct 2 | 141 |
| Lake City Exp Farm | 1,230 | May 22 | Jun 6 | Sep 26 | 125 |
| Lansing Capital City Airport | 841 | May 1 | May 18 | Oct 13 | 162 |
| Lapeer 2W | 837 | May 4 | May 21 | Oct 13 | 161 |
| Lapeer Wwtp | 820 | May 4 | May 22 | Oct 14 | 160 |
| Lexington Wtp | 622 | May 4 | May 20 | Oct 24 | 171 |
| Linden Wwtp | 863 | May 3 | May 20 | Oct 12 | 161 |
| Ludington 4 SE | 690 | May 17 | Jun 1 | Oct 7 | 144 |
| Lupton 1S | 908 | May 21 | Jun 5 | Sep 29 | 129 |
| Manchester | 965 | Apr 30 | May 16 | Oct 14 | 165 |
| Manistee 3SE | 670 | May 14 | May 31 | Oct 12 | 151 |
| Manistique Wwtp | 600 | May 9 | May 23 | Oct 10 | 154 |
| Maple City 1E | 799 | May 22 | Jun 6 | Oct 9 | 140 |
| Marquette | 665 | May 8 | May 23 | Oct 21 | 164 |
| Marquette | 1,411 | May 22 | Jun 4 | Sep 29 | 129 |
| Midland | 640 | Apr 29 | May 16 | Oct 16 | 167 |
| Milan 4 ESE | 670 | May 3 | May 25 | Oct 10 | 158 |
| Milan Wwtp | 680 | Apr 26 | May 9 | Oct 19 | 175 |
| Milford Gm Proving Ground | 970 | May 6 | May 22 | Oct 12 | 157 |
| Mio Hydro Plt | 960 | May 19 | May 31 | Oct 2 | 136 |
| Mio Wwtp | 1,037 | May 20 | Jun 2 | Oct 1 | 133 |
| Monroe | 586 | Apr 23 | May 7 | Oct 23 | 182 |
| Montague 4 NW | 650 | May 19 | Jun 6 | Oct 4 | 136 |
| Moran | 695 | May 23 | Jun 6 | Sep 30 | 130 |
| Morenci | 770 | May 4 | May 19 | Oct 7 | 156 |
| Mt Clemens Ang Base | 580 | Apr 30 | May 15 | Oct 24 | 174 |
| Munising | 680 | May 16 | Jun 2 | Oct 14 | 148 |
| Munsing Lakeshore | 612 | May 23 | Jun 8 | Oct 10 | 138 |
| Muskegon Co Airport | 625 | Apr 30 | May 18 | Oct 19 | 170 |
| NW Michigan Rsch Farm | 820 | Apr 30 | May 15 | Nov 1 | 182 |
| Newberry Correctional Facility | 886 | May 21 | Jun 4 | Oct 5 | 135 |
| Newport 4SSE | 578 | Apr 27 | May 12 | Oct 22 | 177 |
| Niles | 650 | Apr 27 | May 14 | Oct 25 | 180 |
| Northport 2W | 746 | May 9 | May 24 | Oct 26 | 169 |
| Nwsfo Grand Rapids | 775 | Apr 30 | May 17 | Oct 14 | 167 |
| Oil City 2S | 680 | May 15 | Jun 2 | Sep 29 | 134 |
| Old Mission 3SSW | 656 | May 13 | May 29 | Oct 19 | 158 |
| Onaway 4N | 745 | May 22 | Jun 2 | Oct 2 | 135 |
| Ontonagon 6 SE | 790 | May 27 | Jun 13 | Oct 1 | 127 |
| Owosso Wwtp | 730 | May 1 | May 17 | Oct 15 | 164 |
| Paradise | 628 | May 31 | Jun 16 | Oct 1 | 122 |
| Paulding | 1,367 | May 31 | Jun 13 | Sep 19 | 111 |
| Pellston Airport #2 | 712 | May 21 | Jun 5 | Sep 27 | 128 |
| Pellston Rgnl Airport | 705 | May 31 | Jun 21 | Sep 18 | 108 |
| Petoskey | 599 | May 6 | May 21 | Oct 20 | 166 |
| Petoskey Ncmc | 748 | May 16 | May 31 | Oct 9 | 147 |
| Pickford 3NE | 629 | May 31 | Jun 14 | Sep 25 | 116 |
| Pontiac Oakland Co Intl Airport | 976 | Apr 29 | May 14 | Oct 20 | 172 |
| Pontiac Wwtp | 890 | Apr 26 | May 12 | Oct 22 | 177 |
| Port Austin Wwtp | 605 | May 4 | May 19 | Oct 26 | 172 |
| Port Hope | 600 | May 5 | May 21 | Oct 24 | 169 |
| Port Hope | 590 | Apr 28 | May 14 | Nov 3 | 187 |
| Port Huron | 590 | Apr 19 | May 4 | Nov 3 | 196 |
| Rapid Rvr 4SSE | 598 | May 18 | Jun 2 | Oct 4 | 137 |
| Richmond 4 NNW | 765 | May 1 | May 17 | Oct 20 | 170 |
| Rogers City | 615 | May 10 | May 24 | Oct 14 | 154 |
| Rudyard 4N | 753 | May 24 | Jun 10 | Oct 1 | 127 |
| Rudyard 5SE | 667 | Jun 1 | Jun 20 | Sep 21 | 110 |
| S Boardman 2W | 1,046 | May 24 | Jun 8 | Oct 4 | 133 |
| S Haven | 590 | Apr 17 | May 4 | Nov 5 | 201 |
| Saginaw #3 | 600 | Apr 29 | May 13 | Oct 21 | 175 |
| Saginaw Mbs Intl Airport | 660 | Apr 26 | May 13 | Oct 17 | 172 |
| Saint Johns | 743 | Apr 28 | May 12 | Oct 24 | 179 |
| Saline 4SW | 840 | May 2 | May 18 | Oct 11 | 160 |
| Saline Wwtp | 750 | May 2 | May 18 | Oct 11 | 160 |
| Sandusky | 774 | May 2 | May 17 | Oct 16 | 165 |
| Sault Ste Marie | 630 | May 22 | Jun 4 | Oct 4 | 136 |
| Sault Ste Marie Sanderson Fld | 722 | May 9 | May 27 | Oct 11 | 151 |
| St Ignace | 661 | May 16 | May 29 | Oct 13 | 149 |
| St Ignace Mackinac Br | 595 | May 7 | May 22 | Oct 23 | 167 |
| St James 4SSW Beaver | 672 | May 11 | May 26 | Oct 19 | 159 |
| Stambaugh 2SSE | 1,450 | Jun 4 | Jun 26 | Sep 10 | 95 |
| Standish 4NE | 615 | May 5 | May 23 | Oct 10 | 156 |
| Stephenson 5WSW | 690 | May 22 | Jun 4 | Sep 27 | 126 |
| Tecumseh | 780 | May 3 | May 18 | Oct 13 | 160 |
| Three Rivers | 810 | Apr 30 | May 15 | Oct 17 | 170 |
| Tipton 2WNW | 970 | May 5 | May 23 | Oct 10 | 157 |
| Traverse City Cherry Cptl Airport | 618 | May 12 | May 27 | Oct 16 | 155 |
| Traverse City Munson | 635 | May 9 | May 23 | Oct 15 | 156 |
| Trout Lake 1SW | 823 | May 21 | Jun 5 | Oct 1 | 131 |
| Vanderbilt 11ENE | 905 | Jun 7 | Jun 29 | Sep 14 | 95 |
| Vassar | 630 | May 9 | May 24 | Oct 7 | 150 |
| W Branch 3SE | 885 | May 15 | May 29 | Oct 4 | 143 |
| Watton 2WSW | 1,394 | May 25 | Jun 11 | Sep 25 | 123 |
| Wellston 1N | 773 | May 28 | Jun 13 | Sep 25 | 119 |
| White Lake 4E | 1,053 | May 10 | May 26 | Oct 6 | 148 |
| Whitefish Pt | 622 | May 23 | Jun 8 | Oct 15 | 144 |
| Whitmore Lake 1NW | 906 | May 5 | May 21 | Oct 13 | 160 |
| Yale 1 NNW | 820 | May 12 | May 26 | Oct 5 | 147 |
No station matches that name. Try a nearby town, or look up your ZIP code above.
Last frost and first frost are averages (a 50% chance of frost later in spring or earlier in fall). Safer date is the spring date with only a 10% chance of a later frost.
Using these dates
Plant hardy crops like peas and spinach several weeks before your last frost, and tender crops like tomatoes and peppers after it, once nights stay above 50°F. The Seed Starting Calculator turns your frost date into sowing and planting dates, and When to Plant Tomatoes explains the timing in detail.
Data: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 32°F threshold.
Frost dates in other states
- Alabama
- Alaska
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