Payson, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.6 °C (low) to 18 °C (high). Annual precipitation averages 416.6 Millimeters. Payson 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 | -6.7 °C | 3.3 °C | 44.7 mm |
| February | -4.5 °C | 6.8 °C | 38.86 mm |
| March | -0.7 °C | 12.8 °C | 39.62 mm |
| April | 2.3 °C | 16.8 °C | 49.02 mm |
| May | 6.4 °C | 22.3 °C | 47.75 mm |
| June | 10.8 °C | 28.8 °C | 20.83 mm |
| July | 15.4 °C | 33.4 °C | 12.7 mm |
| August | 14.9 °C | 32.3 °C | 17.27 mm |
| September | 9.5 °C | 26.9 °C | 29.21 mm |
| October | 3.3 °C | 18.9 °C | 41.4 mm |
| November | -1.9 °C | 10.2 °C | 36.58 mm |
| December | -6.2 °C | 3.6 °C | 38.61 mm |
| Annual | 3.6 °C | 18 °C | 416.55 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 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |