Show Low, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 2.3 °C (low) to 19.5 °C (high). Annual precipitation averages 407.7 Millimeters. Show Low is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.4 °C | 8.6 °C | 35.56 mm |
| February | -4.9 °C | 10.8 °C | 31.75 mm |
| March | -2.6 °C | 14.3 °C | 28.45 mm |
| April | 0.2 °C | 18.6 °C | 13.72 mm |
| May | 4.4 °C | 23.4 °C | 13.72 mm |
| June | 8.8 °C | 29.3 °C | 12.45 mm |
| July | 13.2 °C | 30.3 °C | 60.45 mm |
| August | 12.7 °C | 28.7 °C | 67.82 mm |
| September | 8.9 °C | 26.2 °C | 37.59 mm |
| October | 2.5 °C | 20.6 °C | 31.75 mm |
| November | -2.7 °C | 14.2 °C | 31.24 mm |
| December | -6.6 °C | 8.5 °C | 43.18 mm |
| Annual | 2.3 °C | 19.5 °C | 407.68 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 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 | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |