Yeager, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.6 °C (low) to 22.8 °C (high). Annual precipitation averages 1082 Millimeters. Yeager is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.4 °C | 10.6 °C | 47.75 mm |
| February | -0.4 °C | 12.9 °C | 54.1 mm |
| March | 4.3 °C | 17.9 °C | 80.01 mm |
| April | 9.1 °C | 22.8 °C | 108.71 mm |
| May | 14.6 °C | 26.6 °C | 139.95 mm |
| June | 19.3 °C | 31.2 °C | 122.68 mm |
| July | 21.2 °C | 34.1 °C | 100.08 mm |
| August | 20.4 °C | 34.2 °C | 84.58 mm |
| September | 16.1 °C | 30.1 °C | 106.68 mm |
| October | 9.9 °C | 23.9 °C | 96.52 mm |
| November | 3.8 °C | 17.2 °C | 74.17 mm |
| December | -0.9 °C | 11.7 °C | 66.8 mm |
| Annual | 9.6 °C | 22.8 °C | 1082.03 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |