Marquand, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 6.9 °C (low) to 19.9 °C (high). Annual precipitation averages 1205.5 Millimeters. Marquand is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5.1 °C | 6 °C | 78.23 mm |
| February | -3.3 °C | 9.1 °C | 76.2 mm |
| March | 1.1 °C | 14.6 °C | 104.14 mm |
| April | 6.3 °C | 20.8 °C | 137.16 mm |
| May | 12.3 °C | 25.3 °C | 139.95 mm |
| June | 16.7 °C | 29.8 °C | 95.25 mm |
| July | 19.2 °C | 31.2 °C | 102.87 mm |
| August | 17.8 °C | 31.3 °C | 88.14 mm |
| September | 13.3 °C | 27.7 °C | 87.63 mm |
| October | 6.8 °C | 21.6 °C | 90.93 mm |
| November | 1.3 °C | 13.7 °C | 114.81 mm |
| December | -3.1 °C | 7.6 °C | 90.17 mm |
| Annual | 6.9 °C | 19.9 °C | 1205.48 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -20.6°C to -17.8°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 |