Beulah Valley, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 36.5 °F (low) to 65.1 °F (high). Annual precipitation averages 21.4 Inches. Beulah Valley is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.9 °F | 46.5 °F | 0.82 in. |
| February | 20.6 °F | 47.8 °F | 0.99 in. |
| March | 27.1 °F | 55.9 °F | 1.83 in. |
| April | 33.5 °F | 61.7 °F | 2.92 in. |
| May | 42.6 °F | 70.8 °F | 2.53 in. |
| June | 51.8 °F | 82.3 °F | 1.45 in. |
| July | 56.9 °F | 86.6 °F | 3.44 in. |
| August | 55.2 °F | 84.1 °F | 2.83 in. |
| September | 47.6 °F | 77.9 °F | 1.28 in. |
| October | 36.2 °F | 66.3 °F | 1.36 in. |
| November | 27.2 °F | 55.1 °F | 1.09 in. |
| December | 19.8 °F | 46.2 °F | 0.88 in. |
| Annual | 36.5 °F | 65.1 °F | 21.42 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| 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 | BSk - Cold Semi-Arid Climate |