Santaquin, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3.2 °C (low) to 17.8 °C (high). Annual precipitation averages 435.1 Millimeters. Santaquin is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7.2 °C | 3.4 °C | 46.23 mm |
| February | -5 °C | 6.7 °C | 42.16 mm |
| March | -1.2 °C | 12.5 °C | 43.43 mm |
| April | 1.8 °C | 16.4 °C | 51.82 mm |
| May | 5.9 °C | 21.8 °C | 47.24 mm |
| June | 10.7 °C | 28.3 °C | 21.59 mm |
| July | 15.4 °C | 33.1 °C | 13.46 mm |
| August | 14.8 °C | 32.1 °C | 18.29 mm |
| September | 9.2 °C | 26.6 °C | 29.97 mm |
| October | 3.2 °C | 18.7 °C | 42.42 mm |
| November | -2.6 °C | 10.4 °C | 36.32 mm |
| December | -6.8 °C | 3.8 °C | 42.16 mm |
| Annual | 3.2 °C | 17.8 °C | 435.09 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |