| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 59f - Gulf of Maine Coastal Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 04038 - Gorham, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 15 | 24 | 34 | 44 | 53 | 58 | 57 | 49 | 38 | 30 | 18 | 36 |
| Avg Max Temp (°F) | 32 | 35 | 43 | 55 | 67 | 76 | 81 | 79 | 71 | 60 | 48 | 37 | 57 |
| Avg Precip (In.) | 3.94 | 3.17 | 4.22 | 4.36 | 3.9 | 3.58 | 3.56 | 3.23 | 3.54 | 4.36 | 4.72 | 4.11 | 46.68 |