Redbird Smith, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.7 °C (low) to 21.8 °C (high). Annual precipitation averages 1193.3 Millimeters. Redbird Smith 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 | 9.6 °C | 64.26 mm |
| February | -0.4 °C | 11.9 °C | 60.45 mm |
| March | 4.2 °C | 16.8 °C | 101.35 mm |
| April | 8.8 °C | 21.7 °C | 124.21 mm |
| May | 14.3 °C | 25.7 °C | 147.32 mm |
| June | 19.4 °C | 30.3 °C | 125.22 mm |
| July | 21.5 °C | 33.6 °C | 82.8 mm |
| August | 20.8 °C | 33.3 °C | 78.74 mm |
| September | 16.6 °C | 29.1 °C | 117.35 mm |
| October | 10.2 °C | 22.8 °C | 130.81 mm |
| November | 4.1 °C | 16.7 °C | 92.2 mm |
| December | -0.8 °C | 10.6 °C | 68.58 mm |
| Annual | 9.7 °C | 21.8 °C | 1193.29 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 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |