Narragansett Pier, Rhode Island has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 44 °F (low) to 59.2 °F (high). Annual precipitation averages 49.6 Inches. Narragansett Pier is located in USDA Plant Hardiness Zone 7a. 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 | 23.7 °F | 38.6 °F | 4.06 in. |
| February | 24.6 °F | 40.1 °F | 3.61 in. |
| March | 30.5 °F | 45.6 °F | 5.28 in. |
| April | 39.5 °F | 55.2 °F | 4.66 in. |
| May | 48.8 °F | 64.7 °F | 3.56 in. |
| June | 58.3 °F | 73.5 °F | 3.79 in. |
| July | 64.5 °F | 79.4 °F | 3.12 in. |
| August | 63.6 °F | 79.1 °F | 3.81 in. |
| September | 57.9 °F | 73.2 °F | 3.86 in. |
| October | 47.9 °F | 63.0 °F | 4.73 in. |
| November | 38.3 °F | 53.1 °F | 4.21 in. |
| December | 29.9 °F | 44.3 °F | 4.92 in. |
| Annual | 44 °F | 59.2 °F | 49.61 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |