| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F | |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F | |
| 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 04030 - East Waterboro, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 13 | 23 | 32 | 43 | 52 | 58 | 56 | 47 | 37 | 29 | 17 | 35 |
| Avg Max Temp (°F) | 32 | 35 | 44 | 56 | 68 | 77 | 82 | 80 | 72 | 60 | 48 | 36 | 57 |
| Avg Precip (In.) | 3.88 | 3.25 | 4.27 | 4.44 | 3.92 | 3.63 | 3.8 | 3.49 | 3.67 | 4.33 | 4.68 | 4.06 | 47.41 |