Ware, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 38 °F (low) to 59.1 °F (high). Annual precipitation averages 47.6 Inches. Ware is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.0 °F | 33.6 °F | 3.53 in. |
| February | 16.0 °F | 36.7 °F | 3.21 in. |
| March | 24.7 °F | 44.8 °F | 4.15 in. |
| April | 35.2 °F | 58.1 °F | 3.54 in. |
| May | 45.9 °F | 69.3 °F | 3.64 in. |
| June | 55.3 °F | 77.8 °F | 4.37 in. |
| July | 61.1 °F | 83.1 °F | 4.32 in. |
| August | 59.3 °F | 81.5 °F | 4.43 in. |
| September | 51.5 °F | 74.3 °F | 4.23 in. |
| October | 40.0 °F | 61.5 °F | 4.47 in. |
| November | 30.4 °F | 49.7 °F | 3.47 in. |
| December | 21.9 °F | 39.1 °F | 4.23 in. |
| Annual | 38 °F | 59.1 °F | 47.59 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |