| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 59d - Boston Basin |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 02045 - Hull, MA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 22 | 30 | 38 | 48 | 57 | 63 | 62 | 54 | 43 | 35 | 26 | 41 |
| Avg Max Temp (°F) | 37 | 39 | 46 | 57 | 67 | 76 | 82 | 80 | 72 | 62 | 52 | 41 | 59 |
| Avg Precip (In.) | 4.6 | 3.87 | 4.55 | 4.2 | 3.63 | 3.45 | 3.43 | 3.99 | 3.85 | 4.27 | 4.61 | 4.33 | 48.78 |