Payson, Arizona has a Hot-Summer Mediterranean Climate climate (Köppen classification: Csa). Average annual temperatures range from 5.8 °C (low) to 22.4 °C (high). Annual precipitation averages 548.4 Millimeters. Payson is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.1 °C | 12.4 °C | 67.06 mm |
| February | -1.4 °C | 13.6 °C | 65.53 mm |
| March | 0.6 °C | 17.1 °C | 51.31 mm |
| April | 3.6 °C | 20.8 °C | 19.81 mm |
| May | 7.2 °C | 25.7 °C | 14.73 mm |
| June | 12 °C | 31.7 °C | 6.86 mm |
| July | 16.6 °C | 33.1 °C | 71.37 mm |
| August | 16 °C | 31.9 °C | 74.17 mm |
| September | 12.3 °C | 29.2 °C | 45.47 mm |
| October | 6.3 °C | 23.6 °C | 36.32 mm |
| November | 0.8 °C | 17.1 °C | 36.07 mm |
| December | -2.1 °C | 12 °C | 59.69 mm |
| Annual | 5.8 °C | 22.4 °C | 548.39 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Csa - Hot-Summer Mediterranean Climate |