| 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 | |
| 1990 Hardiness Zone: | Zone 6a: -10F to -5F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 39e - Osage/Gasconade Hills | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 65072 - Rocky Mount, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 24 | 34 | 44 | 53 | 63 | 68 | 66 | 57 | 46 | 35 | 25 | 44 |
| Avg Max Temp (°F) | 40 | 47 | 57 | 68 | 76 | 84 | 89 | 88 | 80 | 70 | 56 | 44 | 67 |
| Avg Precip (In.) | 1.73 | 2.07 | 3.38 | 4.11 | 5.09 | 4.08 | 3.8 | 3.58 | 4.07 | 3.72 | 3.79 | 2.57 | 41.99 |