| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°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: | Sep. 21 - Sep. 30 |
| 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 03813 - Center Conway, NH | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 6 | 8 | 20 | 30 | 41 | 51 | 55 | 53 | 45 | 34 | 26 | 14 | 32 |
| Avg Max Temp (°F) | 29 | 33 | 42 | 53 | 67 | 76 | 80 | 78 | 70 | 58 | 45 | 33 | 55 |
| Avg Precip (In.) | 4.1 | 3.08 | 4.02 | 4.09 | 3.99 | 4.05 | 4.02 | 4.06 | 3.67 | 4.37 | 4.35 | 4 | 47.78 |