Turnerville, Wyoming has a Subarctic With Cool Summers And Year Around Rainfall climate (Köppen classification: Dfc). Average annual temperatures range from -4.2 °C (low) to 11.8 °C (high). Annual precipitation averages 626.1 Millimeters. Turnerville is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around Jun. 11 - Jun. 20 through the first frost around Aug. 21 - Aug. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -14.3 °C | -1.6 °C | 61.98 mm |
| February | -13.3 °C | 0.5 °C | 53.34 mm |
| March | -8.8 °C | 5.4 °C | 56.9 mm |
| April | -4.2 °C | 9.7 °C | 56.13 mm |
| May | 0.4 °C | 15.8 °C | 74.17 mm |
| June | 3.2 °C | 21.2 °C | 52.58 mm |
| July | 6 °C | 26.7 °C | 28.19 mm |
| August | 5.3 °C | 26.3 °C | 34.04 mm |
| September | 1.3 °C | 21.2 °C | 42.67 mm |
| October | -3.1 °C | 12.9 °C | 53.09 mm |
| November | -8.6 °C | 4.8 °C | 51.31 mm |
| December | -13.7 °C | -1.6 °C | 61.72 mm |
| Annual | -4.2 °C | 11.8 °C | 626.12 mm |
| Average First Frost Date | Aug. 21 - Aug. 31 |
| Average Last Frost Date | Jun. 11 - Jun. 20 |
| 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 |