| 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 Zone 4b: -25°F to -20°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: | Dfc - Subarctic With Cool Summers And Year Around Rainfall |
| Ecoregion: | 58r - Sebago-Ossipee Hills and Plains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 04268 - Norway, 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 | 35 | 27 | 14 | 33 |
| Avg Max Temp (°F) | 28 | 32 | 41 | 53 | 66 | 75 | 80 | 78 | 69 | 58 | 45 | 33 | 55 |
| Avg Precip (In.) | 3.99 | 3.02 | 4.08 | 3.99 | 3.88 | 4 | 3.86 | 3.78 | 3.6 | 4.28 | 4.29 | 3.8 | 46.57 |