Plainview, Texas has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 7 °C (low) to 22.6 °C (high). Annual precipitation averages 480.3 Millimeters. Plainview 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.3 °C | 11.4 °C | 15.49 mm |
| February | -2.7 °C | 13.7 °C | 14.22 mm |
| March | 1.4 °C | 18.3 °C | 30.48 mm |
| April | 5.7 °C | 22.7 °C | 33.02 mm |
| May | 11.6 °C | 27.3 °C | 69.34 mm |
| June | 16.9 °C | 31.7 °C | 75.95 mm |
| July | 18.8 °C | 33.1 °C | 57.4 mm |
| August | 18.1 °C | 32.3 °C | 53.59 mm |
| September | 14 °C | 28.5 °C | 51.56 mm |
| October | 7.3 °C | 23.2 °C | 39.37 mm |
| November | 0.7 °C | 16.7 °C | 20.83 mm |
| December | -3.4 °C | 11.7 °C | 19.05 mm |
| Annual | 7 °C | 22.6 °C | 480.3 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |