Bessemer Bend, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 1 °C (low) to 15.8 °C (high). Annual precipitation averages 380.8 Millimeters. 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 | -8.3 °C | 3.1 °C | 17.27 mm |
| February | -8 °C | 3.9 °C | 19.56 mm |
| March | -4 °C | 9.7 °C | 34.54 mm |
| April | -0.7 °C | 13.8 °C | 48.01 mm |
| May | 4.2 °C | 19.3 °C | 67.82 mm |
| June | 9.1 °C | 26.3 °C | 41.4 mm |
| July | 13.2 °C | 31.3 °C | 29.21 mm |
| August | 12.1 °C | 30.3 °C | 18.8 mm |
| September | 6.7 °C | 24.4 °C | 28.19 mm |
| October | 0.8 °C | 16.1 °C | 40.13 mm |
| November | -4.4 °C | 8.4 °C | 17.02 mm |
| December | -8.2 °C | 2.9 °C | 18.8 mm |
| Annual | 1 °C | 15.8 °C | 380.75 mm |
| 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 : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |