| 2023 Hardiness Zone: | Zone 6a: -10°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: | Oct. 21 - Oct. 31 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers | |
| Ecoregion: | 47d - Missouri Alluvial Plain | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 64077 - Orrick, MO | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 22 | 31 | 42 | 53 | 62 | 67 | 64 | 55 | 44 | 32 | 21 | 42 |
| Avg Max Temp (°F) | 36 | 43 | 54 | 65 | 75 | 84 | 89 | 88 | 80 | 68 | 53 | 40 | 65 |
| Avg Precip (In.) | 1.43 | 1.5 | 2.76 | 3.68 | 5.01 | 4.52 | 4.61 | 3.65 | 4.42 | 3.45 | 2.93 | 1.85 | 39.81 |