| 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: | 59h - Gulf of Maine Coastal Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 04002 - Alfred, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 24 | 33 | 43 | 53 | 58 | 57 | 49 | 38 | 30 | 19 | 36 |
| Avg Max Temp (°F) | 32 | 36 | 45 | 57 | 69 | 78 | 83 | 81 | 72 | 61 | 48 | 37 | 58 |
| Avg Precip (In.) | 4.02 | 3.44 | 4.33 | 4.43 | 3.91 | 3.56 | 3.79 | 3.57 | 3.7 | 4.32 | 4.78 | 4.2 | 48.04 |