Arriba, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 34 °F (low) to 63.7 °F (high). Annual precipitation averages 16.1 Inches. Arriba is located in USDA Plant Hardiness Zone 5b. 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 | 14.5 °F | 43.0 °F | 0.31 in. |
| February | 16.5 °F | 44.3 °F | 0.37 in. |
| March | 24.0 °F | 54.2 °F | 0.78 in. |
| April | 30.9 °F | 60.9 °F | 1.51 in. |
| May | 41.2 °F | 70.2 °F | 2.33 in. |
| June | 51.3 °F | 82.0 °F | 2.39 in. |
| July | 57.0 °F | 87.8 °F | 2.99 in. |
| August | 55.3 °F | 85.3 °F | 2.6 in. |
| September | 46.5 °F | 78.0 °F | 1.06 in. |
| October | 33.4 °F | 64.6 °F | 1.01 in. |
| November | 22.4 °F | 51.8 °F | 0.41 in. |
| December | 14.8 °F | 42.4 °F | 0.33 in. |
| Annual | 34 °F | 63.7 °F | 16.09 in. |
| Average First Frost Date | Sep. 21 - Sep. 30 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |