Brookhurst, Wyoming has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.1 °C (low) to 16.1 °C (high). Annual precipitation averages 359.9 Millimeters. 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 | -8.4 °C | 3.5 °C | 13.21 mm |
| February | -7.9 °C | 4.4 °C | 19.56 mm |
| March | -3.9 °C | 10 °C | 29.97 mm |
| April | -0.6 °C | 14.1 °C | 44.96 mm |
| May | 4.3 °C | 19.5 °C | 64.52 mm |
| June | 9.3 °C | 26.5 °C | 38.61 mm |
| July | 13.4 °C | 31.6 °C | 27.94 mm |
| August | 12.2 °C | 30.6 °C | 20.07 mm |
| September | 6.7 °C | 24.7 °C | 27.69 mm |
| October | 0.7 °C | 16.2 °C | 38.86 mm |
| November | -4.4 °C | 8.7 °C | 18.29 mm |
| December | -8.3 °C | 3.3 °C | 16.26 mm |
| Annual | 1.1 °C | 16.1 °C | 359.94 mm |
| 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 : -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 | Dfb - Humid Continental Mild Summer, Wet All Year |