New Hope, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.5 °C (low) to 24.4 °C (high). Annual precipitation averages 1055.4 Millimeters. New Hope is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 1.2 °C | 13.1 °C | 68.58 mm |
| February | 3.3 °C | 15.4 °C | 76.45 mm |
| March | 7.6 °C | 19.6 °C | 98.55 mm |
| April | 11.8 °C | 23.9 °C | 97.28 mm |
| May | 17.1 °C | 28.1 °C | 127.76 mm |
| June | 21.6 °C | 32.4 °C | 96.27 mm |
| July | 23.4 °C | 34.9 °C | 54.86 mm |
| August | 23.1 °C | 35.3 °C | 56.13 mm |
| September | 19.1 °C | 31.4 °C | 80.01 mm |
| October | 12.8 °C | 25.8 °C | 118.87 mm |
| November | 6.9 °C | 19 °C | 89.92 mm |
| December | 2.5 °C | 14.1 °C | 90.68 mm |
| Annual | 12.5 °C | 24.4 °C | 1055.36 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |