Manville, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from -0.4 °C (low) to 14.9 °C (high). Annual precipitation averages 408.4 Millimeters. Manville is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around Jun. 1 - Jun. 10 through the first frost around Sep.11 - Sep. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.5 °C | 2.4 °C | 12.45 mm |
| February | -9.8 °C | 3.1 °C | 18.03 mm |
| March | -5.3 °C | 9.1 °C | 27.18 mm |
| April | -1.9 °C | 12.9 °C | 51.82 mm |
| May | 3.4 °C | 18.3 °C | 73.41 mm |
| June | 8.3 °C | 24.7 °C | 56.13 mm |
| July | 12.2 °C | 29.4 °C | 42.16 mm |
| August | 11 °C | 29.1 °C | 32.26 mm |
| September | 5.9 °C | 24 °C | 30.23 mm |
| October | -0.7 °C | 15.5 °C | 34.8 mm |
| November | -6.6 °C | 8.1 °C | 16 mm |
| December | -10.3 °C | 2.4 °C | 13.97 mm |
| Annual | -0.4 °C | 14.9 °C | 408.44 mm |
| Average First Frost Date | Sep.11 - Sep. 20 |
| Average Last Frost Date | Jun. 1 - Jun. 10 |
| 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 | BSk - Cold Semi-Arid Climate |