Cody, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 0.8 °C (low) to 14.3 °C (high). Annual precipitation averages 277.9 Millimeters. Cody is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.7 °C | 2.5 °C | 8.13 mm |
| February | -8.6 °C | 3.4 °C | 11.43 mm |
| March | -4.3 °C | 9.1 °C | 12.95 mm |
| April | -0.4 °C | 12.7 °C | 32.51 mm |
| May | 4.7 °C | 17.6 °C | 52.32 mm |
| June | 9.2 °C | 23.3 °C | 40.39 mm |
| July | 12.9 °C | 28.6 °C | 23.11 mm |
| August | 12 °C | 27.7 °C | 20.07 mm |
| September | 7.2 °C | 22.3 °C | 28.19 mm |
| October | 0.9 °C | 14.3 °C | 25.4 mm |
| November | -4.8 °C | 7.3 °C | 13.46 mm |
| December | -9 °C | 2.5 °C | 9.91 mm |
| Annual | 0.8 °C | 14.3 °C | 277.87 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |