| 2023 Hardiness Zone: | Zone 7a: 0°F to 5°F | |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F | |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F | |
| Average First Frost Date: | Oct. 11 - Oct. 20 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 59e - Narragansett/Bristol Lowland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 02882 - Narragansett, RI | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 22 | 29 | 37 | 47 | 56 | 62 | 62 | 54 | 44 | 35 | 26 | 41 |
| Avg Max Temp (°F) | 38 | 40 | 47 | 56 | 66 | 74 | 80 | 79 | 73 | 63 | 53 | 43 | 59 |
| Avg Precip (In.) | 4.5 | 3.63 | 4.73 | 4.5 | 3.86 | 3.59 | 3.16 | 4.01 | 3.94 | 3.85 | 4.79 | 4.43 | 48.99 |