Olustee, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.5 °F (low) to 75.4 °F (high). Annual precipitation averages 27.6 Inches. Olustee 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 | 27.2 °F | 53.4 °F | 1.03 in. |
| February | 30.8 °F | 57.0 °F | 1.16 in. |
| March | 39.2 °F | 66.6 °F | 1.83 in. |
| April | 47.1 °F | 75.3 °F | 2.65 in. |
| May | 58.5 °F | 84.3 °F | 4.05 in. |
| June | 68.3 °F | 92.8 °F | 3.73 in. |
| July | 71.8 °F | 96.5 °F | 2.49 in. |
| August | 70.5 °F | 95.5 °F | 2.68 in. |
| September | 62.8 °F | 87.7 °F | 2.64 in. |
| October | 50.3 °F | 77.2 °F | 2.6 in. |
| November | 38.2 °F | 64.4 °F | 1.46 in. |
| December | 29.1 °F | 53.9 °F | 1.27 in. |
| Annual | 49.5 °F | 75.4 °F | 27.59 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |