Carolina, Rhode Island has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41.5 °F (low) to 59.7 °F (high). Annual precipitation averages 50.6 Inches. Carolina 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 | 20.5 °F | 38.2 °F | 4.12 in. |
| February | 21.9 °F | 39.8 °F | 3.63 in. |
| March | 28.9 °F | 46.3 °F | 5.33 in. |
| April | 38.0 °F | 56.8 °F | 4.73 in. |
| May | 48.0 °F | 66.5 °F | 3.61 in. |
| June | 57.1 °F | 75.6 °F | 3.93 in. |
| July | 63.1 °F | 80.7 °F | 3.24 in. |
| August | 61.6 °F | 79.9 °F | 3.95 in. |
| September | 54.7 °F | 73.7 °F | 4.01 in. |
| October | 43.8 °F | 62.9 °F | 4.82 in. |
| November | 34.2 °F | 52.8 °F | 4.27 in. |
| December | 26.5 °F | 43.7 °F | 4.99 in. |
| Annual | 41.5 °F | 59.7 °F | 50.63 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |