Richmond, Utah has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 33.6 °F (low) to 60.1 °F (high). Annual precipitation averages 19.7 Inches. Richmond is located in USDA Plant Hardiness Zone 6a. 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 | 14.2 °F | 32.4 °F | 2.03 in. |
| February | 17.8 °F | 37.2 °F | 1.85 in. |
| March | 27.1 °F | 49.3 °F | 2.02 in. |
| April | 33.2 °F | 58.3 °F | 2.34 in. |
| May | 40.4 °F | 67.9 °F | 2.41 in. |
| June | 46.8 °F | 79.0 °F | 1.14 in. |
| July | 53.7 °F | 89.1 °F | 0.64 in. |
| August | 52.1 °F | 87.8 °F | 0.71 in. |
| September | 43.5 °F | 77.4 °F | 1.4 in. |
| October | 33.2 °F | 62.5 °F | 1.91 in. |
| November | 24.5 °F | 46.6 °F | 1.55 in. |
| December | 16.1 °F | 33.6 °F | 1.73 in. |
| Annual | 33.6 °F | 60.1 °F | 19.73 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |