Morley, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.9 °C (low) to 20.2 °C (high). Annual precipitation averages 1296.2 Millimeters. Morley is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.1 °C | 6.1 °C | 92.2 mm |
| February | -1.5 °C | 8.9 °C | 95 mm |
| March | 3.1 °C | 14.4 °C | 118.87 mm |
| April | 8.6 °C | 20.7 °C | 139.95 mm |
| May | 14.3 °C | 25.7 °C | 148.84 mm |
| June | 19.1 °C | 30.4 °C | 106.43 mm |
| July | 20.8 °C | 31.9 °C | 108.46 mm |
| August | 19.6 °C | 31.4 °C | 74.17 mm |
| September | 15.1 °C | 28.1 °C | 85.6 mm |
| October | 8.5 °C | 22 °C | 96.27 mm |
| November | 2.9 °C | 14.2 °C | 121.67 mm |
| December | -1.2 °C | 8 °C | 108.71 mm |
| Annual | 8.9 °C | 20.2 °C | 1296.17 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |