Springdale, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 7.5 °C (low) to 23.7 °C (high). Annual precipitation averages 371.4 Millimeters. Springdale is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.3 °C | 11 °C | 40.64 mm |
| February | -0.4 °C | 13.1 °C | 49.78 mm |
| March | 2.7 °C | 17.5 °C | 50.55 mm |
| April | 5.4 °C | 22.4 °C | 27.94 mm |
| May | 10.1 °C | 28.1 °C | 17.02 mm |
| June | 15.2 °C | 34.4 °C | 5.59 mm |
| July | 19.4 °C | 37.5 °C | 23.11 mm |
| August | 18.8 °C | 36.3 °C | 34.29 mm |
| September | 14.6 °C | 32.2 °C | 26.16 mm |
| October | 7.8 °C | 25.2 °C | 28.96 mm |
| November | 1.4 °C | 16.4 °C | 25.65 mm |
| December | -2.7 °C | 10.4 °C | 41.66 mm |
| Annual | 7.5 °C | 23.7 °C | 371.35 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |