Fall River, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44 °F (low) to 60.2 °F (high). Annual precipitation averages 50 Inches. Fall River 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.0 °F | 38.0 °F | 4.29 in. |
| February | 24.1 °F | 39.9 °F | 3.65 in. |
| March | 30.4 °F | 46.6 °F | 5.48 in. |
| April | 40.1 °F | 57.4 °F | 4.49 in. |
| May | 49.6 °F | 67.7 °F | 3.45 in. |
| June | 59.3 °F | 76.4 °F | 3.9 in. |
| July | 65.7 °F | 82.3 °F | 3.39 in. |
| August | 64.5 °F | 81.2 °F | 3.63 in. |
| September | 57.8 °F | 74.6 °F | 3.84 in. |
| October | 47.1 °F | 63.0 °F | 4.67 in. |
| November | 37.2 °F | 52.5 °F | 4.28 in. |
| December | 29.1 °F | 43.3 °F | 4.93 in. |
| Annual | 44 °F | 60.2 °F | 50 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |