Mona, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.5 °C (low) to 17.8 °C (high). Annual precipitation averages 382.3 Millimeters. Mona is located in USDA Plant Hardiness Zone 6b. 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 | -8.1 °C | 3.2 °C | 40.64 mm |
| February | -5.7 °C | 6.4 °C | 36.58 mm |
| March | -1.7 °C | 12.5 °C | 37.08 mm |
| April | 1 °C | 16.6 °C | 45.21 mm |
| May | 5.3 °C | 21.8 °C | 42.93 mm |
| June | 10.2 °C | 28.4 °C | 20.07 mm |
| July | 14.8 °C | 33.1 °C | 12.45 mm |
| August | 14.2 °C | 32.1 °C | 17.27 mm |
| September | 8.4 °C | 26.7 °C | 27.18 mm |
| October | 2.1 °C | 18.9 °C | 35.05 mm |
| November | -3.3 °C | 10.6 °C | 30.48 mm |
| December | -7.7 °C | 3.4 °C | 37.34 mm |
| Annual | 2.5 °C | 17.8 °C | 382.28 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |