Maine · 28 stations
Maine Frost Dates: 28 Weather Stations
28 NOAA weather stations in Maine with at least 25 years of frost records.
| Station | Zone | Last spring frost (50%) | First fall frost (50%) | Frost-free days |
|---|---|---|---|---|
| Bangor, ME | 5a | May 4 | October 4 | 152 |
| Belfast, ME | 5b | May 7 | October 5 | 151 |
| Brassua Dam, ME | 4b | May 23 | September 29 | 128 |
| Bridgewater, ME | 4a | May 25 | September 18 | 115 |
| Bridgton, ME | 5a | May 5 | October 5 | 151 |
| Caribou, ME | 4b | May 7 | October 1 | 143 |
| Corinna, ME | 4b | May 8 | October 3 | 148 |
| Dover-Foxcroft, ME | 4b | May 15 | September 28 | 134 |
| Eustis, ME | 4b | May 24 | September 21 | 118 |
| Farmington, ME | 5a | May 16 | September 26 | 130 |
| Fort Kent, ME | 4a | May 23 | September 24 | 121 |
| Gardiner, ME | 5b | May 1 | October 11 | 163 |
| Gray, ME | 5b | April 28 | October 19 | 172 |
| Houlton, ME | 4b | May 27 | September 18 | 115 |
| Jackman, ME | 4b | May 26 | September 23 | 119 |
| Kennebunkport, ME | 6a | May 9 | October 3 | 146 |
| Madison, ME | 5a | May 8 | October 5 | 149 |
| Newcastle, ME | 6a | April 27 | October 18 | 172 |
| Portland, ME | 6a | April 26 | October 15 | 170 |
| Presque Isle, ME | 4b | May 14 | September 26 | 131 |
| Rangeley, ME | 4b | May 23 | September 27 | 127 |
| Robbinston, ME | 5b | May 5 | October 13 | 160 |
| Tenants Harbor, ME | 6a | April 27 | October 25 | 178 |
| Van Buren, ME | 3b | May 23 | September 26 | 125 |
| West Rockport, ME | 5b | April 27 | October 19 | 175 |
| Woodland, ME | 5b | April 21 | October 26 | 185 |
| near Augusta, ME | 5b | April 27 | October 16 | 172 |
| near Waterville, ME | 5b | May 2 | October 10 | 159 |