Aurora, Colorado has a Cold Semi-Arid Climate climate (Köppen classification: BSk). Average annual temperatures range from 3.1 °C (low) to 18.2 °C (high). Annual precipitation averages 407.2 Millimeters. Aurora is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -7 °C | 7.7 °C | 11.68 mm |
| February | -6.3 °C | 8.1 °C | 14.73 mm |
| March | -2 °C | 13.1 °C | 37.59 mm |
| April | 1.5 °C | 16.1 °C | 44.2 mm |
| May | 6.7 °C | 21 °C | 61.47 mm |
| June | 12.1 °C | 27.9 °C | 43.69 mm |
| July | 15.6 °C | 31.4 °C | 48.77 mm |
| August | 14.4 °C | 30.1 °C | 50.04 mm |
| September | 9.7 °C | 25.8 °C | 40.13 mm |
| October | 2.7 °C | 18.4 °C | 26.16 mm |
| November | -2.7 °C | 12.1 °C | 15.75 mm |
| December | -7.1 °C | 7.2 °C | 12.95 mm |
| Annual | 3.1 °C | 18.2 °C | 407.16 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | BSk - Cold Semi-Arid Climate |