Mountain Park, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.8 °F (low) to 74.7 °F (high). Annual precipitation averages 29.8 Inches. Mountain Park 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 | 27.7 °F | 52.6 °F | 0.99 in. |
| February | 31.2 °F | 56.4 °F | 1.21 in. |
| March | 39.5 °F | 65.7 °F | 2.08 in. |
| April | 47.3 °F | 74.1 °F | 2.76 in. |
| May | 58.7 °F | 83.0 °F | 4.39 in. |
| June | 68.3 °F | 91.8 °F | 3.82 in. |
| July | 71.9 °F | 96.4 °F | 2.62 in. |
| August | 70.8 °F | 95.6 °F | 2.95 in. |
| September | 63.1 °F | 87.5 °F | 2.91 in. |
| October | 50.7 °F | 76.4 °F | 2.9 in. |
| November | 38.8 °F | 63.6 °F | 1.69 in. |
| December | 29.7 °F | 53.2 °F | 1.45 in. |
| Annual | 49.8 °F | 74.7 °F | 29.77 in. |
| 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 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 |