Brookhurst, Wyoming has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34 °F (low) to 61 °F (high). Annual precipitation averages 14.2 Inches. Brookhurst is located in USDA Plant Hardiness Zone 5a. 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 | 16.9 °F | 38.3 °F | 0.52 in. |
| February | 17.8 °F | 39.9 °F | 0.77 in. |
| March | 24.9 °F | 50.0 °F | 1.18 in. |
| April | 31.0 °F | 57.4 °F | 1.77 in. |
| May | 39.8 °F | 67.1 °F | 2.54 in. |
| June | 48.8 °F | 79.7 °F | 1.52 in. |
| July | 56.1 °F | 88.8 °F | 1.1 in. |
| August | 53.9 °F | 87.0 °F | 0.79 in. |
| September | 44.0 °F | 76.5 °F | 1.09 in. |
| October | 33.2 °F | 61.1 °F | 1.53 in. |
| November | 24.0 °F | 47.7 °F | 0.72 in. |
| December | 17.1 °F | 38.0 °F | 0.64 in. |
| Annual | 34 °F | 61 °F | 14.17 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Dfb - Humid Continental Mild Summer, Wet All Year |