New Hope, Pennsylvania has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.6 °F (low) to 64.3 °F (high). Annual precipitation averages 49.4 Inches. New Hope 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 | 22.9 °F | 40.2 °F | 3.59 in. |
| February | 24.2 °F | 42.8 °F | 2.84 in. |
| March | 31.0 °F | 51.1 °F | 4.25 in. |
| April | 40.9 °F | 63.6 °F | 3.78 in. |
| May | 50.7 °F | 73.3 °F | 4.23 in. |
| June | 60.0 °F | 82.4 °F | 4.64 in. |
| July | 65.6 °F | 87.2 °F | 5.05 in. |
| August | 63.8 °F | 85.2 °F | 4.55 in. |
| September | 56.4 °F | 78.7 °F | 4.31 in. |
| October | 44.7 °F | 66.7 °F | 4.22 in. |
| November | 34.8 °F | 55.3 °F | 3.49 in. |
| December | 27.6 °F | 45.2 °F | 4.46 in. |
| Annual | 43.6 °F | 64.3 °F | 49.41 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 | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |