Rawlins, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 31.1 °F (low) to 55.4 °F (high). Annual precipitation averages 13.3 Inches. Rawlins is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.7 °F | 31.6 °F | 1.0 in. |
| February | 15.0 °F | 33.8 °F | 0.71 in. |
| March | 22.4 °F | 43.7 °F | 1.01 in. |
| April | 28.0 °F | 52.1 °F | 1.48 in. |
| May | 36.8 °F | 62.8 °F | 2.15 in. |
| June | 45.3 °F | 75.1 °F | 0.93 in. |
| July | 52.3 °F | 83.3 °F | 0.96 in. |
| August | 50.4 °F | 81.0 °F | 0.76 in. |
| September | 41.8 °F | 71.5 °F | 1.05 in. |
| October | 31.5 °F | 56.5 °F | 1.36 in. |
| November | 22.0 °F | 42.0 °F | 1.08 in. |
| December | 13.9 °F | 31.6 °F | 0.81 in. |
| Annual | 31.1 °F | 55.4 °F | 13.3 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |