Reydon, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46 °F (low) to 72.2 °F (high). Annual precipitation averages 25.5 Inches. Reydon is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.5 °F | 50.6 °F | 0.82 in. |
| February | 27.3 °F | 53.8 °F | 0.92 in. |
| March | 35.7 °F | 63.5 °F | 1.67 in. |
| April | 44.2 °F | 71.9 °F | 2.51 in. |
| May | 54.6 °F | 80.3 °F | 3.56 in. |
| June | 64.3 °F | 88.6 °F | 3.68 in. |
| July | 68.2 °F | 93.7 °F | 2.5 in. |
| August | 66.8 °F | 92.9 °F | 2.9 in. |
| September | 59.3 °F | 84.8 °F | 2.43 in. |
| October | 46.5 °F | 73.8 °F | 2.35 in. |
| November | 34.8 °F | 61.4 °F | 1.14 in. |
| December | 26.2 °F | 51.0 °F | 1.04 in. |
| Annual | 46 °F | 72.2 °F | 25.52 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |