Goltry, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 21.9 °C (high). Annual precipitation averages 813.1 Millimeters. Goltry is located in USDA Plant Hardiness Zone 7a. 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 | -4.6 °C | 8.6 °C | 24.64 mm |
| February | -2.9 °C | 10.8 °C | 31.5 mm |
| March | 2.1 °C | 16.4 °C | 58.17 mm |
| April | 6.7 °C | 21.3 °C | 78.23 mm |
| May | 13 °C | 26.6 °C | 109.73 mm |
| June | 18.7 °C | 32.3 °C | 113.03 mm |
| July | 21.1 °C | 35.2 °C | 84.07 mm |
| August | 20.2 °C | 34.2 °C | 94.74 mm |
| September | 15.8 °C | 29.8 °C | 64.26 mm |
| October | 8.7 °C | 22.8 °C | 78.49 mm |
| November | 1.8 °C | 15.3 °C | 40.64 mm |
| December | -3.3 °C | 9.2 °C | 35.56 mm |
| Annual | 8.1 °C | 21.9 °C | 813.06 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |