Bradford, Rhode Island has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 5.5 °C (low) to 15.3 °C (high). Annual precipitation averages 1239.5 Millimeters. Bradford is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.2 °C | 3.6 °C | 101.6 mm |
| February | -5.3 °C | 4.4 °C | 89.15 mm |
| March | -1.5 °C | 7.9 °C | 129.54 mm |
| April | 3.6 °C | 13.4 °C | 117.09 mm |
| May | 9 °C | 18.7 °C | 89.41 mm |
| June | 14.3 °C | 23.7 °C | 96.27 mm |
| July | 17.5 °C | 26.8 °C | 78.49 mm |
| August | 16.7 °C | 26.3 °C | 95 mm |
| September | 12.8 °C | 23.1 °C | 93.98 mm |
| October | 6.8 °C | 17.2 °C | 120.65 mm |
| November | 1.4 °C | 11.7 °C | 104.9 mm |
| December | -2.8 °C | 6.7 °C | 123.44 mm |
| Annual | 5.5 °C | 15.3 °C | 1239.52 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |