Snowflake, Arizona has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 3.3 °C (low) to 21.4 °C (high). Annual precipitation averages 285.5 Millimeters. Snowflake is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6 °C | 10 °C | 19.81 mm |
| February | -4.2 °C | 12.8 °C | 15.24 mm |
| March | -1.7 °C | 16.6 °C | 20.07 mm |
| April | 1.6 °C | 20.7 °C | 10.67 mm |
| May | 5.7 °C | 25.6 °C | 10.16 mm |
| June | 10 °C | 31.2 °C | 7.11 mm |
| July | 14.8 °C | 32.7 °C | 44.96 mm |
| August | 14.4 °C | 31.2 °C | 55.12 mm |
| September | 10.1 °C | 28.4 °C | 37.85 mm |
| October | 3.3 °C | 22.7 °C | 22.35 mm |
| November | -2.6 °C | 15.6 °C | 19.05 mm |
| December | -6.2 °C | 9.4 °C | 23.11 mm |
| Annual | 3.3 °C | 21.4 °C | 285.5 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 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 |