Minnesota · 78 stations
Minnesota Frost Dates: 78 Weather Stations
78 NOAA weather stations in Minnesota with at least 25 years of frost records.
| Station | Zone | Last spring frost (50%) | First fall frost (50%) | Frost-free days |
|---|---|---|---|---|
| Albert Lea, MN | 5a | April 27 | October 9 | 164 |
| Alexandria, MN | 4b | May 2 | October 8 | 159 |
| Amboy, MN | 5a | April 30 | October 7 | 161 |
| Argyle, MN | 4a | May 15 | September 26 | 134 |
| Artichoke Lake 1 E, MN | 4b | May 1 | October 8 | 159 |
| Austin, MN | 4b | April 30 | October 5 | 158 |
| Benson, MN | 4b | May 4 | October 3 | 151 |
| Brainerd, MN | 4a | May 8 | September 29 | 141 |
| Browns Valley, MN | 4b | May 9 | September 28 | 141 |
| Bruno, MN | 4a | May 18 | September 26 | 129 |
| Caledonia, MN | 5a | April 29 | October 10 | 165 |
| Canby, MN | 5a | May 2 | October 5 | 156 |
| Cass Lake, MN | 3b | May 17 | September 26 | 131 |
| Chanhassen, MN | 5a | April 30 | October 9 | 160 |
| Cloquet, MN | 4a | May 26 | September 23 | 118 |
| Eveleth, MN | 4a | May 12 | October 1 | 141 |
| Floodwood, MN | 3b | May 29 | September 18 | 111 |
| Forest Lake, MN | 4b | May 3 | October 5 | 154 |
| Gaylord, MN | 5a | April 24 | October 15 | 170 |
| Georgetown, MN | 4a | May 9 | October 1 | 143 |
| Glenwood, MN | 4b | May 11 | September 27 | 139 |
| Grand Marais, MN | 5a | May 20 | October 5 | 137 |
| Grand Meadow, MN | 4b | May 6 | October 1 | 146 |
| Grand Portage, MN | 4b | May 24 | September 29 | 127 |
| Itasca University of Minn, MN | 3b | May 18 | September 27 | 130 |
| Jordan, MN | 4b | May 2 | October 5 | 153 |
| Lake Wilson, MN | 5a | May 7 | September 29 | 145 |
| Lamberton SW Research & Outreach C, MN | 4b | May 3 | October 2 | 152 |
| Leech Lake, MN | 3b | May 8 | October 1 | 144 |
| Litchfield, MN | 4b | May 6 | October 2 | 147 |
| Long Prairie, MN | 4a | May 13 | September 27 | 134 |
| Lower St. Anthony Falls, MN | 5a | April 23 | October 16 | 175 |
| Madison, MN | 4b | May 3 | October 2 | 151 |
| Marshall, MN | 5a | May 5 | October 3 | 150 |
| Milan, MN | 4b | May 3 | October 2 | 151 |
| Minneapolis (Minneapolis/St. Paul Airport), MN | 5a | April 23 | October 18 | 176 |
| Moose Lake, MN | 4a | May 12 | October 2 | 144 |
| Mora, MN | 4a | May 9 | September 30 | 142 |
| New Hope, MN | 5a | April 29 | October 12 | 163 |
| Owatonna, MN | 4b | May 5 | October 6 | 154 |
| Park Rapids, MN | 3b | May 14 | September 25 | 133 |
| Pipestone, MN | 4b | May 4 | October 2 | 152 |
| Preston, MN | 4b | May 14 | September 28 | 136 |
| Red Lake Falls, MN | 3b | May 9 | September 30 | 142 |
| Redwood Falls, MN | 5a | April 30 | October 4 | 157 |
| Rochester, MN | 4b | April 30 | October 6 | 159 |
| Rosemount, MN | 4b | May 2 | October 5 | 155 |
| Rothsay, MN | 4a | May 5 | October 3 | 149 |
| Rushford, MN | 4b | May 8 | October 3 | 147 |
| Saint Cloud, MN | 4b | May 7 | September 30 | 144 |
| Saint James, MN | 5a | April 30 | October 7 | 160 |
| Santiago, MN | 4b | May 7 | September 28 | 144 |
| St. Peter, MN | 5a | May 2 | October 4 | 153 |
| Theilman, MN | 4b | May 7 | October 2 | 148 |
| Thorhult, MN | 3b | May 24 | September 20 | 120 |
| Tracy, MN | 5a | May 2 | October 5 | 156 |
| Two Harbors, MN | 4b | May 12 | October 6 | 145 |
| Wheaton, MN | 4b | May 1 | October 9 | 160 |
| Wild River State Park, MN | 4a | May 19 | September 25 | 128 |
| Windom, MN | 5a | April 30 | October 10 | 162 |
| Winnebago, MN | 5a | April 27 | October 10 | 166 |
| Wolf Ridge Elc, MN | 4a | May 15 | October 1 | 137 |
| Worthington, MN | 5a | May 3 | October 4 | 153 |
| Wright, MN | 4a | May 31 | September 18 | 107 |
| Zumbrota, MN | 4b | May 9 | September 30 | 144 |
| near Collegeville, MN | 4b | May 3 | October 7 | 155 |
| near Crookston, MN | 4a | May 11 | September 27 | 138 |
| near Crosslake, MN | 4a | May 6 | October 7 | 152 |
| near East Gull Lake, MN | 4a | May 2 | October 6 | 156 |
| near Grand Rapids, MN | 4a | May 17 | September 24 | 130 |
| near Hastings, MN | 5a | April 23 | October 19 | 177 |
| near Hibbing, MN | 3b | June 5 | September 8 | 93 |
| near International Falls, MN | 3b | May 29 | September 13 | 109 |
| near Morris, MN | 4b | May 4 | October 1 | 150 |
| near Red Wing, MN | 4b | April 23 | October 14 | 173 |
| near Roseville, MN | 5a | April 28 | October 8 | 162 |
| near Waseca, MN | 4b | May 2 | October 4 | 155 |
| near Winona, MN | 5a | April 23 | October 21 | 180 |