Nash, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8 °C (low) to 22.1 °C (high). Annual precipitation averages 833.9 Millimeters. Nash is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.9 °C | 8.6 °C | 25.4 mm |
| February | -3 °C | 10.9 °C | 29.97 mm |
| March | 1.9 °C | 16.4 °C | 57.4 mm |
| April | 6.7 °C | 21.7 °C | 79.25 mm |
| May | 13.1 °C | 26.7 °C | 112.52 mm |
| June | 18.7 °C | 32.3 °C | 119.13 mm |
| July | 21.2 °C | 35.3 °C | 88.65 mm |
| August | 20.2 °C | 34.4 °C | 95.25 mm |
| September | 15.6 °C | 30.1 °C | 66.8 mm |
| October | 8.3 °C | 23.2 °C | 82.55 mm |
| November | 1.7 °C | 15.7 °C | 41.66 mm |
| December | -3.4 °C | 9.3 °C | 35.31 mm |
| Annual | 8 °C | 22.1 °C | 833.89 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |