| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year |
| Ecoregion: | 59c - Southern New England Coastal Plains and Hills |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 02827 - Greene, RI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 18 | 26 | 36 | 46 | 54 | 60 | 59 | 51 | 39 | 32 | 22 | 38 |
| Avg Max Temp (°F) | 35 | 38 | 47 | 57 | 69 | 76 | 81 | 79 | 72 | 61 | 50 | 40 | 59 |
| Avg Precip (In.) | 4.64 | 3.62 | 4.65 | 4.52 | 3.99 | 3.95 | 4.2 | 4.39 | 4.19 | 4.42 | 4.7 | 4.45 | 51.71 |