| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F | |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | Dfb - Humid Continental Mild Summer, Wet All Year | |
| Ecoregion: | 59b - Lower Worcester Plateau/Eastern Connecticut Upland | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 01082 - Ware, MA | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 12 | 14 | 24 | 33 | 44 | 53 | 58 | 56 | 48 | 37 | 29 | 19 | 36 |
| Avg Max Temp (°F) | 33 | 36 | 45 | 57 | 69 | 77 | 82 | 80 | 72 | 61 | 49 | 38 | 58 |
| Avg Precip (In.) | 3.91 | 2.9 | 3.82 | 3.84 | 4.07 | 3.94 | 4.23 | 4.47 | 3.97 | 4 | 3.88 | 3.63 | 46.67 |