Greene, Rhode Island has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 4.5 °C (low) to 15.4 °C (high). Annual precipitation averages 1277.9 Millimeters. 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 | -7.3 °C | 2.5 °C | 99.82 mm |
| February | -6.7 °C | 3.8 °C | 87.38 mm |
| March | -2.8 °C | 8 °C | 122.43 mm |
| April | 2.7 °C | 14.6 °C | 116.33 mm |
| May | 8.2 °C | 20.4 °C | 88.9 mm |
| June | 13.3 °C | 24.8 °C | 101.85 mm |
| July | 16.8 °C | 27.9 °C | 91.19 mm |
| August | 15.8 °C | 26.7 °C | 106.43 mm |
| September | 11.9 °C | 22.8 °C | 109.73 mm |
| October | 5.9 °C | 16.6 °C | 125.22 mm |
| November | 0.3 °C | 10.8 °C | 105.16 mm |
| December | -4.2 °C | 5.3 °C | 123.44 mm |
| Annual | 4.5 °C | 15.4 °C | 1277.88 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |