Little Compton, Rhode Island has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.1 °C (low) to 14.9 °C (high). Annual precipitation averages 1220.7 Millimeters. Little Compton is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.1 °C | 3.6 °C | 104.39 mm |
| February | -3.7 °C | 4.4 °C | 92.46 mm |
| March | -0.7 °C | 7.6 °C | 134.62 mm |
| April | 4.5 °C | 12.5 °C | 116.08 mm |
| May | 9.6 °C | 17.8 °C | 85.34 mm |
| June | 14.9 °C | 22.7 °C | 92.71 mm |
| July | 18.7 °C | 26.4 °C | 78.23 mm |
| August | 18.1 °C | 26 °C | 87.12 mm |
| September | 15.2 °C | 22.7 °C | 91.19 mm |
| October | 9.3 °C | 16.9 °C | 112.01 mm |
| November | 4.3 °C | 11.5 °C | 101.35 mm |
| December | -0.7 °C | 6.7 °C | 125.22 mm |
| Annual | 7.1 °C | 14.9 °C | 1220.72 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |