Parks, Arizona has a Humid Continental Climate - Dry Cool Summer climate (Köppen classification: Dsb). Average annual temperatures range from -0.1 °C (low) to 17.3 °C (high). Annual precipitation averages 530.9 Millimeters. Parks is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -8.1 °C | 7 °C | 56.64 mm |
| February | -6.9 °C | 8.2 °C | 59.94 mm |
| March | -4.5 °C | 11.7 °C | 51.56 mm |
| April | -2.2 °C | 15.5 °C | 27.43 mm |
| May | 1.4 °C | 20.6 °C | 21.59 mm |
| June | 5.9 °C | 27.1 °C | 7.37 mm |
| July | 10.5 °C | 28.6 °C | 61.98 mm |
| August | 10 °C | 27.1 °C | 75.18 mm |
| September | 5.9 °C | 24.2 °C | 44.96 mm |
| October | 0 °C | 18.6 °C | 37.59 mm |
| November | -4.7 °C | 12.1 °C | 36.07 mm |
| December | -8.3 °C | 7.1 °C | 50.55 mm |
| Annual | -0.1 °C | 17.3 °C | 530.86 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dsb - Humid Continental Climate - Dry Cool Summer |