Watts, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.6 °C (low) to 21 °C (high). Annual precipitation averages 1246.9 Millimeters. Watts 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.4 °C | 8.5 °C | 69.6 mm |
| February | -1.4 °C | 11.2 °C | 62.48 mm |
| March | 3.3 °C | 16.1 °C | 103.12 mm |
| April | 7.9 °C | 20.8 °C | 126.75 mm |
| May | 13.3 °C | 25 °C | 153.92 mm |
| June | 18.2 °C | 29.4 °C | 123.19 mm |
| July | 20.4 °C | 32.4 °C | 112.01 mm |
| August | 19.6 °C | 32.3 °C | 89.41 mm |
| September | 15.3 °C | 28.1 °C | 119.38 mm |
| October | 8.9 °C | 22.2 °C | 113.03 mm |
| November | 3.1 °C | 15.8 °C | 93.73 mm |
| December | -1.5 °C | 10.2 °C | 80.26 mm |
| Annual | 8.6 °C | 21 °C | 1246.88 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |