Catoosa, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.7 °C (low) to 21.7 °C (high). Annual precipitation averages 1084.8 Millimeters. Catoosa is located in USDA Plant Hardiness Zone 7a. 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 | -3.9 °C | 8.7 °C | 46.23 mm |
| February | -1.9 °C | 11.4 °C | 49.53 mm |
| March | 2.9 °C | 16.4 °C | 85.6 mm |
| April | 8 °C | 21.6 °C | 113.03 mm |
| May | 14.1 °C | 25.7 °C | 151.38 mm |
| June | 19.2 °C | 30.6 °C | 121.41 mm |
| July | 21.4 °C | 33.6 °C | 98.04 mm |
| August | 20.4 °C | 33.6 °C | 88.9 mm |
| September | 15.6 °C | 29.1 °C | 98.81 mm |
| October | 8.8 °C | 22.9 °C | 93.98 mm |
| November | 2.5 °C | 16.1 °C | 76.96 mm |
| December | -2.2 °C | 10.1 °C | 60.96 mm |
| Annual | 8.7 °C | 21.7 °C | 1084.83 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |