Garland, Wyoming has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 32.2 °F (low) to 59.4 °F (high). Annual precipitation averages 6.9 Inches. Garland is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.7 °F | 33.4 °F | 0.17 in. |
| February | 13.6 °F | 37.7 °F | 0.19 in. |
| March | 23.4 °F | 50.0 °F | 0.22 in. |
| April | 31.4 °F | 58.6 °F | 0.66 in. |
| May | 41.3 °F | 67.8 °F | 1.31 in. |
| June | 49.5 °F | 78.3 °F | 1.17 in. |
| July | 55.7 °F | 87.5 °F | 0.85 in. |
| August | 53.2 °F | 86.0 °F | 0.48 in. |
| September | 43.9 °F | 75.0 °F | 0.89 in. |
| October | 32.3 °F | 59.5 °F | 0.66 in. |
| November | 20.9 °F | 44.7 °F | 0.17 in. |
| December | 11.4 °F | 34.1 °F | 0.14 in. |
| Annual | 32.2 °F | 59.4 °F | 6.91 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 4b : -25°F to -20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |