Brian Head, Utah has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 27.3 °F (low) to 49 °F (high). Annual precipitation averages 32.6 Inches. Brian Head is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Jul. 21 - Jul. 31 through the first frost around Sep.1 - Sep. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.4 °F | 31.8 °F | 3.43 in. |
| February | 13.6 °F | 32.8 °F | 3.8 in. |
| March | 17.5 °F | 38.6 °F | 4.13 in. |
| April | 21.8 °F | 44.2 °F | 3.34 in. |
| May | 29.8 °F | 53.1 °F | 1.56 in. |
| June | 39.4 °F | 64.9 °F | 0.67 in. |
| July | 46.1 °F | 71.0 °F | 2.23 in. |
| August | 45.1 °F | 69.1 °F | 2.68 in. |
| September | 38.5 °F | 61.9 °F | 1.97 in. |
| October | 28.7 °F | 50.5 °F | 2.61 in. |
| November | 20.0 °F | 38.8 °F | 2.68 in. |
| December | 13.2 °F | 31.1 °F | 3.51 in. |
| Annual | 27.3 °F | 49 °F | 32.61 in. |
| Average First Frost Date | Sep.1 - Sep. 10 |
| Average Last Frost Date | Jul. 21 - Jul. 31 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |