Park Hill, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.6 °C (low) to 21.9 °C (high). Annual precipitation averages 1221.5 Millimeters. Park Hill 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 | -2.5 °C | 9.5 °C | 63.75 mm |
| February | -0.6 °C | 11.9 °C | 62.74 mm |
| March | 4.1 °C | 16.9 °C | 99.06 mm |
| April | 8.9 °C | 22 °C | 117.09 mm |
| May | 14.3 °C | 26 °C | 159.26 mm |
| June | 19.3 °C | 30.5 °C | 130.81 mm |
| July | 21.5 °C | 33.4 °C | 99.82 mm |
| August | 20.7 °C | 33.4 °C | 89.92 mm |
| September | 16.4 °C | 29.3 °C | 116.84 mm |
| October | 9.8 °C | 23 °C | 113.54 mm |
| November | 4 °C | 16.6 °C | 95 mm |
| December | -0.9 °C | 10.6 °C | 73.66 mm |
| Annual | 9.6 °C | 21.9 °C | 1221.49 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 |