Teresita, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.1 °C (low) to 21.5 °C (high). Annual precipitation averages 1217.2 Millimeters. Teresita is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3 °C | 9.1 °C | 64.01 mm |
| February | -1.1 °C | 11.6 °C | 62.74 mm |
| March | 3.6 °C | 16.6 °C | 99.31 mm |
| April | 8.3 °C | 21.6 °C | 121.67 mm |
| May | 13.8 °C | 25.6 °C | 157.73 mm |
| June | 18.8 °C | 30 °C | 129.03 mm |
| July | 21.1 °C | 33 °C | 101.6 mm |
| August | 20.2 °C | 32.9 °C | 90.42 mm |
| September | 15.8 °C | 28.9 °C | 113.28 mm |
| October | 9.4 °C | 22.6 °C | 109.73 mm |
| November | 3.6 °C | 16.2 °C | 92.71 mm |
| December | -1.3 °C | 10.3 °C | 74.93 mm |
| Annual | 9.1 °C | 21.5 °C | 1217.16 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |