South Weber, Utah has a Humid Continental Climate - Dry Warm Summer climate (Köppen classification: Dsa). Average annual temperatures range from 4.4 °C (low) to 17 °C (high). Annual precipitation averages 529.6 Millimeters. South Weber 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 | -6.2 °C | 2.7 °C | 57.66 mm |
| February | -4.2 °C | 5.8 °C | 48.51 mm |
| March | 0 °C | 11.6 °C | 55.37 mm |
| April | 3.2 °C | 15.6 °C | 65.53 mm |
| May | 7.7 °C | 21.1 °C | 61.72 mm |
| June | 12.1 °C | 27.3 °C | 33.02 mm |
| July | 16.8 °C | 32.7 °C | 12.45 mm |
| August | 15.9 °C | 31.6 °C | 17.78 mm |
| September | 10.6 °C | 25.7 °C | 36.07 mm |
| October | 4.1 °C | 17.6 °C | 49.28 mm |
| November | -1.3 °C | 9.4 °C | 42.67 mm |
| December | -5.8 °C | 2.9 °C | 49.53 mm |
| Annual | 4.4 °C | 17 °C | 529.59 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | Severe Drought |
| Köppen Climate Classification | Dsa - Humid Continental Climate - Dry Warm Summer |