Chugwater, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.7 °F (low) to 61 °F (high). Annual precipitation averages 16.6 Inches. Chugwater is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.5 °F | 40.1 °F | 0.48 in. |
| February | 17.4 °F | 41.4 °F | 0.67 in. |
| March | 24.5 °F | 50.5 °F | 1.13 in. |
| April | 30.5 °F | 56.9 °F | 2.03 in. |
| May | 39.8 °F | 66.5 °F | 3.0 in. |
| June | 48.8 °F | 78.2 °F | 2.06 in. |
| July | 55.1 °F | 86.7 °F | 1.6 in. |
| August | 53.0 °F | 84.8 °F | 1.55 in. |
| September | 43.9 °F | 76.0 °F | 1.42 in. |
| October | 32.4 °F | 61.9 °F | 1.2 in. |
| November | 23.7 °F | 48.6 °F | 0.71 in. |
| December | 17.3 °F | 40.1 °F | 0.75 in. |
| Annual | 33.7 °F | 61 °F | 16.6 in. |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 150-180 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 | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |