| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 39a - Springfield Plateau |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 65605 - Aurora, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 26 | 34 | 43 | 53 | 62 | 66 | 65 | 57 | 45 | 34 | 25 | 44 |
| Avg Max Temp (°F) | 41 | 47 | 57 | 67 | 74 | 83 | 88 | 88 | 80 | 69 | 55 | 45 | 66 |
| Avg Precip (In.) | 1.98 | 2.18 | 3.98 | 4.27 | 4.79 | 5.08 | 3.5 | 3.56 | 4.83 | 3.67 | 4.5 | 3.08 | 45.41 |