South Jordan, Utah has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 4.6 °C (low) to 18.1 °C (high). Annual precipitation averages 425.7 Millimeters. South Jordan is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.7 °C | 4.1 °C | 36.32 mm |
| February | -3.6 °C | 6.9 °C | 36.58 mm |
| March | 0.3 °C | 12.7 °C | 45.72 mm |
| April | 3 °C | 16.4 °C | 55.88 mm |
| May | 7.8 °C | 22 °C | 51.31 mm |
| June | 12 °C | 28.3 °C | 25.15 mm |
| July | 17 °C | 33.7 °C | 16 mm |
| August | 16.1 °C | 32.8 °C | 21.59 mm |
| September | 10.6 °C | 26.8 °C | 29.97 mm |
| October | 4.2 °C | 18.8 °C | 37.59 mm |
| November | -1.2 °C | 10.3 °C | 33.78 mm |
| December | -5.4 °C | 4.2 °C | 35.81 mm |
| Annual | 4.6 °C | 18.1 °C | 425.7 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |