Nottingham, New Hampshire has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 37.6 °F (low) to 57.9 °F (high). Annual precipitation averages 46.5 Inches. Nottingham is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.0 °F | 32.6 °F | 3.29 in. |
| February | 16.4 °F | 35.5 °F | 3.17 in. |
| March | 24.5 °F | 43.2 °F | 3.92 in. |
| April | 34.6 °F | 56.4 °F | 3.94 in. |
| May | 45.0 °F | 67.4 °F | 3.79 in. |
| June | 54.6 °F | 76.6 °F | 4.27 in. |
| July | 60.2 °F | 82.1 °F | 3.77 in. |
| August | 58.5 °F | 80.6 °F | 3.83 in. |
| September | 50.8 °F | 73.4 °F | 3.77 in. |
| October | 40.0 °F | 60.6 °F | 4.69 in. |
| November | 30.5 °F | 48.9 °F | 3.76 in. |
| December | 21.4 °F | 38.0 °F | 4.26 in. |
| Annual | 37.6 °F | 57.9 °F | 46.46 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 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 | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |