| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F | |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F | |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F | |
| Average First Frost Date: | Oct. 1 - Oct. 10 | |
| Average Last Frost Date: | May 11 - May 20 | |
| Koppen-Geiger Climate Zone: | BSk - Cold Semi-Arid Climate | |
| Ecoregion: | 25c - Moderate Relief Plains | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 80013 - Aurora, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 19 | 25 | 32 | 41 | 50 | 56 | 54 | 45 | 34 | 24 | 17 | 34 |
| Avg Max Temp (°F) | 44 | 48 | 54 | 61 | 71 | 82 | 88 | 86 | 78 | 67 | 52 | 45 | 65 |
| Avg Precip (In.) | .5 | .48 | 1.48 | 2.08 | 2.77 | 1.95 | 2.39 | 2.03 | 1.41 | 1.02 | 1.13 | .64 | 17.89 |