| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F 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. 11 - Oct. 20 |
| Average Last Frost Date: | May 21 - May 31 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 82e - Central Maine Embayment |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 04941 - Freedom, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 9 | 20 | 31 | 42 | 51 | 57 | 55 | 46 | 36 | 27 | 14 | 33 |
| Avg Max Temp (°F) | 28 | 32 | 41 | 52 | 65 | 74 | 79 | 77 | 69 | 57 | 45 | 33 | 54 |
| Avg Precip (In.) | 3.51 | 2.6 | 3.83 | 3.82 | 3.93 | 3.93 | 3.56 | 3.72 | 3.85 | 4.11 | 4.02 | 3.55 | 44.44 |