Arboles, Colorado has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1 °C (low) to 18.5 °C (high). Annual precipitation averages 350.5 Millimeters. Arboles is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -9.6 °C | 5.3 °C | 24.64 mm |
| February | -7.3 °C | 7.9 °C | 32.26 mm |
| March | -3.6 °C | 13.5 °C | 29.21 mm |
| April | -0.7 °C | 17.8 °C | 29.97 mm |
| May | 3.9 °C | 22.9 °C | 23.88 mm |
| June | 8.3 °C | 29.3 °C | 16 mm |
| July | 12.9 °C | 31.8 °C | 33.53 mm |
| August | 12 °C | 30.2 °C | 42.16 mm |
| September | 7.7 °C | 26.2 °C | 34.54 mm |
| October | 1.2 °C | 19.3 °C | 31.75 mm |
| November | -4.5 °C | 11.9 °C | 25.91 mm |
| December | -8.9 °C | 5.6 °C | 26.67 mm |
| Annual | 1 °C | 18.5 °C | 350.52 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |