Levan, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 1.1 °C (low) to 17.4 °C (high). Annual precipitation averages 363.5 Millimeters. Levan is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.5 °C | 3.1 °C | 31.5 mm |
| February | -6.8 °C | 6.1 °C | 33.27 mm |
| March | -2.9 °C | 11.9 °C | 39.62 mm |
| April | -0.4 °C | 15.8 °C | 44.2 mm |
| May | 3.8 °C | 21.3 °C | 38.86 mm |
| June | 8.7 °C | 28 °C | 18.29 mm |
| July | 13.3 °C | 32.5 °C | 17.02 mm |
| August | 12.6 °C | 31.5 °C | 16.26 mm |
| September | 7 °C | 26.3 °C | 26.67 mm |
| October | 0.8 °C | 18.6 °C | 34.04 mm |
| November | -4.6 °C | 10.6 °C | 28.96 mm |
| December | -9.3 °C | 3.3 °C | 34.8 mm |
| Annual | 1.1 °C | 17.4 °C | 363.49 mm |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |