Garland, Utah has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 2.6 °C (low) to 16.1 °C (high). Annual precipitation averages 427.7 Millimeters. Garland 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 | -8.4 °C | 0.9 °C | 51.82 mm |
| February | -6.3 °C | 3.8 °C | 40.13 mm |
| March | -1.4 °C | 10.4 °C | 40.89 mm |
| April | 1.8 °C | 15.1 °C | 43.94 mm |
| May | 6.3 °C | 20.4 °C | 57.66 mm |
| June | 10.4 °C | 26.5 °C | 30.23 mm |
| July | 14.7 °C | 32.1 °C | 13.97 mm |
| August | 13.8 °C | 31.3 °C | 16 mm |
| September | 8.6 °C | 25.3 °C | 29.97 mm |
| October | 2.2 °C | 17.2 °C | 37.34 mm |
| November | -3.1 °C | 8.6 °C | 29.72 mm |
| December | -7.6 °C | 1.7 °C | 36.07 mm |
| Annual | 2.6 °C | 16.1 °C | 427.74 mm |
| 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 : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |