Salt Lake City, Utah has a Humid Continental Climate - Dry Warm Summer climate (Köppen classification: Dsa). Average annual temperatures range from 5.5 °C (low) to 18 °C (high). Annual precipitation averages 422.4 Millimeters. Salt Lake City is located in USDA Plant Hardiness Zone 7b. 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 | -5.4 °C | 3.8 °C | 38.86 mm |
| February | -3.2 °C | 6.8 °C | 37.34 mm |
| March | 1.3 °C | 12.6 °C | 47.5 mm |
| April | 3.8 °C | 16.3 °C | 58.17 mm |
| May | 8.7 °C | 22 °C | 50.29 mm |
| June | 13.2 °C | 28.3 °C | 28.19 mm |
| July | 18.3 °C | 33.7 °C | 15.75 mm |
| August | 17.3 °C | 32.8 °C | 15.49 mm |
| September | 11.9 °C | 26.8 °C | 28.7 mm |
| October | 5.2 °C | 18.7 °C | 34.8 mm |
| November | -0.7 °C | 10.4 °C | 33.27 mm |
| December | -4.9 °C | 4.2 °C | 34.04 mm |
| Annual | 5.5 °C | 18 °C | 422.4 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dsa - Humid Continental Climate - Dry Warm Summer |