Chugcreek, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34.5 °F (low) to 62.5 °F (high). Annual precipitation averages 14.2 Inches. Chugcreek 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. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.3 °F | 40.7 °F | 0.29 in. |
| February | 18.1 °F | 42.4 °F | 0.48 in. |
| March | 25.5 °F | 51.8 °F | 0.78 in. |
| April | 32.1 °F | 58.9 °F | 1.6 in. |
| May | 41.5 °F | 68.2 °F | 2.75 in. |
| June | 50.7 °F | 79.6 °F | 2.11 in. |
| July | 56.5 °F | 88.3 °F | 1.61 in. |
| August | 54.4 °F | 87.2 °F | 1.18 in. |
| September | 44.9 °F | 78.4 °F | 1.18 in. |
| October | 33.2 °F | 63.8 °F | 1.3 in. |
| November | 23.9 °F | 49.7 °F | 0.49 in. |
| December | 17.4 °F | 40.6 °F | 0.42 in. |
| Annual | 34.5 °F | 62.5 °F | 14.19 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 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 |