| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F |
| 2012 Hardiness Zone: | Zone 4b: -25°F to -20°F |
| 1990 Hardiness Zone: | Zone 4b: -25F to -20F |
| Average First Frost Date: | Sep. 21 - Sep. 30 |
| 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 04463 - Milo, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 2 | 4 | 16 | 29 | 40 | 49 | 55 | 53 | 44 | 33 | 25 | 10 | 30 |
| Avg Max Temp (°F) | 25 | 28 | 38 | 50 | 64 | 73 | 79 | 77 | 68 | 55 | 42 | 30 | 52 |
| Avg Precip (In.) | 3.66 | 2.68 | 3.44 | 3.53 | 3.62 | 3.93 | 3.61 | 3.57 | 3.88 | 3.78 | 4.01 | 3.48 | 43.19 |