Pine Bluffs, Wyoming has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 32.8 °F (low) to 61.8 °F (high). Annual precipitation averages 15.4 Inches. Pine Bluffs 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 | 15.2 °F | 40.7 °F | 0.27 in. |
| February | 16.0 °F | 42.3 °F | 0.36 in. |
| March | 22.9 °F | 51.4 °F | 0.81 in. |
| April | 29.6 °F | 58.0 °F | 1.63 in. |
| May | 39.3 °F | 67.6 °F | 2.48 in. |
| June | 48.9 °F | 79.7 °F | 2.58 in. |
| July | 55.3 °F | 87.3 °F | 1.96 in. |
| August | 53.0 °F | 85.3 °F | 1.91 in. |
| September | 44.2 °F | 76.9 °F | 1.44 in. |
| October | 32.0 °F | 62.2 °F | 1.13 in. |
| November | 22.1 °F | 49.6 °F | 0.47 in. |
| December | 14.6 °F | 40.7 °F | 0.33 in. |
| Annual | 32.8 °F | 61.8 °F | 15.37 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 |