Avard, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.3 °C (low) to 22 °C (high). Annual precipitation averages 729.5 Millimeters. Avard 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 | -5.6 °C | 8.9 °C | 21.59 mm |
| February | -4 °C | 10.8 °C | 24.64 mm |
| March | 1.1 °C | 16.6 °C | 54.36 mm |
| April | 5.9 °C | 21.4 °C | 66.04 mm |
| May | 12.3 °C | 26.6 °C | 107.19 mm |
| June | 18.2 °C | 32.3 °C | 108.46 mm |
| July | 20.8 °C | 35.1 °C | 81.03 mm |
| August | 19.8 °C | 34.2 °C | 84.58 mm |
| September | 15.1 °C | 30 °C | 51.82 mm |
| October | 7.6 °C | 23.1 °C | 67.82 mm |
| November | 0.8 °C | 15.7 °C | 31.5 mm |
| December | -4.6 °C | 9.2 °C | 30.48 mm |
| Annual | 7.3 °C | 22 °C | 729.51 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 |