Katie, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10 °C (low) to 23.2 °C (high). Annual precipitation averages 941.8 Millimeters. Katie 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 | -2.1 °C | 11.2 °C | 39.37 mm |
| February | -0.1 °C | 13.6 °C | 48.26 mm |
| March | 4.7 °C | 18.3 °C | 71.12 mm |
| April | 9.1 °C | 22.9 °C | 91.44 mm |
| May | 14.8 °C | 26.8 °C | 145.03 mm |
| June | 19.8 °C | 31.5 °C | 121.41 mm |
| July | 21.8 °C | 34.5 °C | 70.36 mm |
| August | 21.2 °C | 34.7 °C | 66.29 mm |
| September | 16.9 °C | 30.4 °C | 99.31 mm |
| October | 10.2 °C | 24.3 °C | 84.33 mm |
| November | 4.1 °C | 17.8 °C | 53.85 mm |
| December | -0.9 °C | 12.1 °C | 51.05 mm |
| Annual | 10 °C | 23.2 °C | 941.82 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 |