Valley Park, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9 °C (low) to 21.6 °C (high). Annual precipitation averages 1087.6 Millimeters. Valley Park is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.6 °C | 8.8 °C | 45.21 mm |
| February | -1.7 °C | 11.3 °C | 49.28 mm |
| March | 3.2 °C | 16.4 °C | 85.6 mm |
| April | 8.3 °C | 21.5 °C | 111.76 mm |
| May | 14.2 °C | 25.7 °C | 151.38 mm |
| June | 19.3 °C | 30.4 °C | 124.71 mm |
| July | 21.5 °C | 33.4 °C | 98.3 mm |
| August | 20.6 °C | 33.5 °C | 90.68 mm |
| September | 15.9 °C | 29.1 °C | 98.81 mm |
| October | 9.2 °C | 22.9 °C | 93.98 mm |
| November | 2.9 °C | 16.1 °C | 77.72 mm |
| December | -1.8 °C | 10 °C | 60.2 mm |
| Annual | 9 °C | 21.6 °C | 1087.63 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 |