Missouri City, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.3 °C (low) to 18 °C (high). Annual precipitation averages 1062.7 Millimeters. Missouri City is located in USDA Plant Hardiness Zone 6a. 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 | -7.5 °C | 3.2 °C | 32.51 mm |
| February | -5.2 °C | 6.2 °C | 42.42 mm |
| March | 0 °C | 12.3 °C | 64.77 mm |
| April | 5.6 °C | 18.1 °C | 103.38 mm |
| May | 11.8 °C | 23.3 °C | 143.26 mm |
| June | 17.4 °C | 28.6 °C | 137.16 mm |
| July | 19.7 °C | 30.9 °C | 123.19 mm |
| August | 18.3 °C | 30.2 °C | 114.55 mm |
| September | 13.2 °C | 26.1 °C | 112.52 mm |
| October | 6.7 °C | 19.6 °C | 88.9 mm |
| November | 0.3 °C | 11.8 °C | 56.39 mm |
| December | -4.9 °C | 5.5 °C | 43.69 mm |
| Annual | 6.3 °C | 18 °C | 1062.74 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -23.3°C to -20.6°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |