New Summerfield, Texas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.6 °C (low) to 25.1 °C (high). Annual precipitation averages 1221 Millimeters. New Summerfield 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. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2.4 °C | 14.6 °C | 103.89 mm |
| February | 4.3 °C | 16.9 °C | 100.08 mm |
| March | 8.1 °C | 21.1 °C | 112.01 mm |
| April | 11.8 °C | 25.1 °C | 104.65 mm |
| May | 17.2 °C | 28.8 °C | 117.09 mm |
| June | 21.1 °C | 32.4 °C | 114.81 mm |
| July | 22.5 °C | 34.3 °C | 70.87 mm |
| August | 22.1 °C | 34.8 °C | 80.26 mm |
| September | 18.6 °C | 31.6 °C | 86.87 mm |
| October | 12.7 °C | 26.3 °C | 108.97 mm |
| November | 7.3 °C | 19.9 °C | 104.9 mm |
| December | 3.3 °C | 15.5 °C | 116.59 mm |
| Annual | 12.6 °C | 25.1 °C | 1220.99 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |