Wyoming, Rhode Island has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.9 °F (low) to 60 °F (high). Annual precipitation averages 50.3 Inches. Wyoming is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.7 °F | 38.1 °F | 4.03 in. |
| February | 22.0 °F | 40.0 °F | 3.55 in. |
| March | 29.3 °F | 47.1 °F | 5.15 in. |
| April | 38.5 °F | 57.3 °F | 4.69 in. |
| May | 48.4 °F | 67.1 °F | 3.55 in. |
| June | 58.2 °F | 76.3 °F | 3.9 in. |
| July | 63.6 °F | 81.3 °F | 3.33 in. |
| August | 62.1 °F | 80.0 °F | 3.96 in. |
| September | 55.0 °F | 73.6 °F | 4.14 in. |
| October | 44.2 °F | 62.8 °F | 4.82 in. |
| November | 34.3 °F | 52.7 °F | 4.22 in. |
| December | 26.5 °F | 43.3 °F | 4.95 in. |
| Annual | 41.9 °F | 60 °F | 50.29 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |