Dilkon, Arizona has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 3.4 °C (low) to 20.7 °C (high). Annual precipitation averages 222.8 Millimeters. Dilkon is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.6 °C | 8.7 °C | 20.83 mm |
| February | -4.5 °C | 11.2 °C | 20.83 mm |
| March | -1.9 °C | 15.6 °C | 16 mm |
| April | 1.4 °C | 19.4 °C | 9.4 mm |
| May | 6.2 °C | 24.7 °C | 10.41 mm |
| June | 11.1 °C | 31.2 °C | 3.3 mm |
| July | 15.4 °C | 33.2 °C | 27.18 mm |
| August | 14.9 °C | 31.5 °C | 34.8 mm |
| September | 10.3 °C | 27.9 °C | 24.64 mm |
| October | 3.7 °C | 21.8 °C | 19.3 mm |
| November | -2.3 °C | 14.7 °C | 16.26 mm |
| December | -6.6 °C | 8.3 °C | 19.81 mm |
| Annual | 3.4 °C | 20.7 °C | 222.76 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 11 - May 20 |
| 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 | BWk - Cold Desert Climate |