Bessemer Bend, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 33.8 °F (low) to 60.4 °F (high). Annual precipitation averages 15 Inches. Bessemer Bend is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Sep. 21 - Sep. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.0 °F | 37.5 °F | 0.68 in. |
| February | 17.6 °F | 39.1 °F | 0.77 in. |
| March | 24.8 °F | 49.4 °F | 1.36 in. |
| April | 30.7 °F | 56.8 °F | 1.89 in. |
| May | 39.6 °F | 66.7 °F | 2.67 in. |
| June | 48.3 °F | 79.3 °F | 1.63 in. |
| July | 55.7 °F | 88.3 °F | 1.15 in. |
| August | 53.7 °F | 86.6 °F | 0.74 in. |
| September | 44.0 °F | 76.0 °F | 1.11 in. |
| October | 33.4 °F | 60.9 °F | 1.58 in. |
| November | 24.0 °F | 47.1 °F | 0.67 in. |
| December | 17.3 °F | 37.2 °F | 0.74 in. |
| Annual | 33.8 °F | 60.4 °F | 14.99 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | Over 180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |