| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°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: | 58r - Sebago-Ossipee Hills and Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 04256 - Mechanic Falls, ME | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 10 | 13 | 23 | 34 | 44 | 54 | 59 | 58 | 50 | 38 | 30 | 17 | 36 |
| Avg Max Temp (°F) | 29 | 32 | 41 | 53 | 67 | 75 | 81 | 79 | 70 | 58 | 45 | 34 | 55 |
| Avg Precip (In.) | 4.13 | 3.19 | 4.64 | 4.35 | 3.94 | 3.92 | 3.78 | 3.56 | 3.58 | 4.22 | 4.56 | 4.27 | 48.13 |