Greene, Rhode Island has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40.1 °F (low) to 59.6 °F (high). Annual precipitation averages 50.3 Inches. Greene is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.9 °F | 36.5 °F | 3.93 in. |
| February | 19.9 °F | 38.8 °F | 3.44 in. |
| March | 27.0 °F | 46.4 °F | 4.82 in. |
| April | 36.8 °F | 58.2 °F | 4.58 in. |
| May | 46.7 °F | 68.7 °F | 3.5 in. |
| June | 56.0 °F | 76.7 °F | 4.01 in. |
| July | 62.3 °F | 82.2 °F | 3.59 in. |
| August | 60.5 °F | 80.0 °F | 4.19 in. |
| September | 53.4 °F | 73.0 °F | 4.32 in. |
| October | 42.7 °F | 61.8 °F | 4.93 in. |
| November | 32.6 °F | 51.4 °F | 4.14 in. |
| December | 24.4 °F | 41.5 °F | 4.86 in. |
| Annual | 40.1 °F | 59.6 °F | 50.31 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |