Ethete, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 29.7 °F (low) to 59.3 °F (high). Annual precipitation averages 11.6 Inches. Ethete 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 | 7.4 °F | 34.1 °F | 0.42 in. |
| February | 10.9 °F | 38.2 °F | 0.54 in. |
| March | 21.5 °F | 49.5 °F | 0.88 in. |
| April | 29.1 °F | 57.6 °F | 1.82 in. |
| May | 38.2 °F | 66.5 °F | 2.42 in. |
| June | 45.9 °F | 78.1 °F | 1.14 in. |
| July | 52.7 °F | 87.6 °F | 0.69 in. |
| August | 50.7 °F | 85.7 °F | 0.62 in. |
| September | 42.2 °F | 75.1 °F | 1.05 in. |
| October | 30.6 °F | 60.4 °F | 1.11 in. |
| November | 18.4 °F | 45.1 °F | 0.53 in. |
| December | 8.9 °F | 34.0 °F | 0.33 in. |
| Annual | 29.7 °F | 59.3 °F | 11.55 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 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 | BSk - Cold Semi-Arid Climate |