Smoot, Wyoming has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from -4.3 °C (low) to 11.4 °C (high). Annual precipitation averages 559.3 Millimeters. Smoot is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.2 °C | -1.7 °C | 52.07 mm |
| February | -13.3 °C | 0.1 °C | 46.99 mm |
| March | -8.9 °C | 5.1 °C | 48.77 mm |
| April | -4.5 °C | 9.4 °C | 54.36 mm |
| May | -0.1 °C | 15.2 °C | 68.58 mm |
| June | 2.8 °C | 20.7 °C | 45.97 mm |
| July | 5.9 °C | 26.4 °C | 22.61 mm |
| August | 5.2 °C | 26.1 °C | 30.73 mm |
| September | 1.2 °C | 20.6 °C | 41.91 mm |
| October | -3.2 °C | 12.4 °C | 46.23 mm |
| November | -8.6 °C | 4.4 °C | 47.24 mm |
| December | -13.8 °C | -1.7 °C | 53.85 mm |
| Annual | -4.3 °C | 11.4 °C | 559.31 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 4b : -31.7°C to -28.9°C |
| Plant Hardiness Zone - 2012 | Zone 4b : -31.7°C to -28.9°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Dfc - Subarctic With Cool Summers And Year Around Rainfall |