Riverside, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 36.3 °F (low) to 60.9 °F (high). Annual precipitation averages 16.2 Inches. Riverside is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.6 °F | 33.5 °F | 1.91 in. |
| February | 20.4 °F | 38.6 °F | 1.53 in. |
| March | 29.2 °F | 50.3 °F | 1.55 in. |
| April | 35.1 °F | 59.1 °F | 1.6 in. |
| May | 42.9 °F | 68.6 °F | 2.22 in. |
| June | 50.2 °F | 79.6 °F | 1.09 in. |
| July | 57.8 °F | 89.6 °F | 0.5 in. |
| August | 56.2 °F | 88.2 °F | 0.63 in. |
| September | 47.0 °F | 77.5 °F | 1.15 in. |
| October | 35.7 °F | 62.9 °F | 1.45 in. |
| November | 26.3 °F | 47.4 °F | 1.15 in. |
| December | 18.0 °F | 34.9 °F | 1.41 in. |
| Annual | 36.3 °F | 60.9 °F | 16.19 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |