Scott City, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.5 °C (low) to 20.1 °C (high). Annual precipitation averages 1256.5 Millimeters. Scott City is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.5 °C | 6 °C | 89.41 mm |
| February | -1.7 °C | 8.9 °C | 89.66 mm |
| March | 2.8 °C | 14.3 °C | 117.35 mm |
| April | 8.2 °C | 20.6 °C | 139.45 mm |
| May | 14.1 °C | 25.6 °C | 141.48 mm |
| June | 18.7 °C | 30.3 °C | 104.65 mm |
| July | 20.6 °C | 31.8 °C | 98.04 mm |
| August | 19.2 °C | 31.3 °C | 78.99 mm |
| September | 14.7 °C | 27.9 °C | 84.84 mm |
| October | 8.2 °C | 21.9 °C | 96.01 mm |
| November | 2.6 °C | 14.2 °C | 119.38 mm |
| December | -1.5 °C | 7.9 °C | 97.28 mm |
| Annual | 8.5 °C | 20.1 °C | 1256.54 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |