| 2023 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 6b: -5°F to 0°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F | |
| 2012 Hardiness Zone: | Zone 5a: -20°F to -15°F Zone 4b: -25°F to -20°F Zone 6a: -10°F to -5°F 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: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 26e - Piedmont Plains and Tablelands | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 81020 - Aguilar, CO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 17 | 20 | 25 | 31 | 40 | 49 | 54 | 53 | 45 | 35 | 25 | 18 | 34 |
| Avg Max Temp (°F) | 46 | 49 | 54 | 62 | 71 | 80 | 84 | 82 | 76 | 67 | 53 | 46 | 64 |
| Avg Precip (In.) | .4 | .55 | 1.62 | 1.99 | 2.71 | 1.63 | 2.74 | 3 | 1.52 | 1.09 | .97 | .7 | 18.92 |