Hooker, Oklahoma has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 5.4 °C (low) to 21.7 °C (high). Annual precipitation averages 468.1 Millimeters. Hooker is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.6 °C | 9.1 °C | 11.18 mm |
| February | -5.3 °C | 11 °C | 10.41 mm |
| March | -0.9 °C | 16.3 °C | 30.23 mm |
| April | 3.8 °C | 21.1 °C | 37.59 mm |
| May | 10 °C | 26.5 °C | 57.4 mm |
| June | 16 °C | 32.1 °C | 68.33 mm |
| July | 18.6 °C | 34.6 °C | 73.66 mm |
| August | 17.6 °C | 33.4 °C | 64.01 mm |
| September | 13 °C | 29.6 °C | 32.77 mm |
| October | 5.6 °C | 22.3 °C | 45.97 mm |
| November | -1.3 °C | 15.3 °C | 15.75 mm |
| December | -6.1 °C | 9 °C | 20.83 mm |
| Annual | 5.4 °C | 21.7 °C | 468.13 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |