Weare, New Hampshire has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.8 °C (low) to 13.7 °C (high). Annual precipitation averages 1228.4 Millimeters. Weare 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 | -11.1 °C | -0.6 °C | 86.36 mm |
| February | -10.3 °C | 1.1 °C | 86.87 mm |
| March | -6 °C | 5.7 °C | 98.04 mm |
| April | 0.2 °C | 13.1 °C | 99.06 mm |
| May | 6.4 °C | 19.5 °C | 93.98 mm |
| June | 11.7 °C | 24.4 °C | 119.13 mm |
| July | 14.6 °C | 27.2 °C | 97.54 mm |
| August | 13.5 °C | 26.3 °C | 94.23 mm |
| September | 9.3 °C | 22.3 °C | 106.68 mm |
| October | 3.1 °C | 14.9 °C | 127 mm |
| November | -2.1 °C | 8.4 °C | 102.87 mm |
| December | -7.4 °C | 2.4 °C | 116.59 mm |
| Annual | 1.8 °C | 13.7 °C | 1228.35 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |