Manderson, Wyoming has a Cold Desert Climate climate (Köppen classification: BWk). Average annual temperatures range from 31.3 °F (low) to 60.6 °F (high). Annual precipitation averages 7.3 Inches. Manderson is located in USDA Plant Hardiness Zone 4b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.4 °F | 30.4 °F | 0.24 in. |
| February | 10.9 °F | 37.0 °F | 0.26 in. |
| March | 22.7 °F | 51.1 °F | 0.32 in. |
| April | 31.9 °F | 60.7 °F | 0.74 in. |
| May | 42.2 °F | 70.4 °F | 1.41 in. |
| June | 50.5 °F | 81.5 °F | 1.09 in. |
| July | 56.4 °F | 90.8 °F | 0.57 in. |
| August | 53.3 °F | 89.0 °F | 0.35 in. |
| September | 43.5 °F | 77.5 °F | 0.98 in. |
| October | 31.8 °F | 61.6 °F | 0.74 in. |
| November | 19.0 °F | 44.9 °F | 0.34 in. |
| December | 8.1 °F | 32.3 °F | 0.23 in. |
| Annual | 31.3 °F | 60.6 °F | 7.27 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 4b : -25°F to -20°F |
| Plant Hardiness Zone - 2012 | Zone 4a : -30°F to -25°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BWk - Cold Desert Climate |