Owl Creek, Wyoming has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from -1.1 °C (low) to 14.5 °C (high). Annual precipitation averages 284.2 Millimeters. Owl Creek 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 | -12.4 °C | 2.1 °C | 6.6 mm |
| February | -10.8 °C | 3.2 °C | 9.4 mm |
| March | -6.2 °C | 9.1 °C | 13.46 mm |
| April | -1.9 °C | 13.1 °C | 33.78 mm |
| May | 3.1 °C | 17.9 °C | 59.18 mm |
| June | 7.4 °C | 24.1 °C | 41.66 mm |
| July | 11.4 °C | 29.4 °C | 24.13 mm |
| August | 10.3 °C | 28.6 °C | 20.57 mm |
| September | 5.6 °C | 22.8 °C | 30.23 mm |
| October | -1 °C | 14.7 °C | 25.15 mm |
| November | -7.3 °C | 7.2 °C | 11.18 mm |
| December | -11.9 °C | 1.9 °C | 8.89 mm |
| Annual | -1.1 °C | 14.5 °C | 284.23 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |