Garden City, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.2 °F (low) to 65.1 °F (high). Annual precipitation averages 43.3 Inches. Garden City 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.7 °F | 39.4 °F | 1.52 in. |
| February | 23.4 °F | 43.9 °F | 1.89 in. |
| March | 33.1 °F | 54.7 °F | 2.8 in. |
| April | 43.1 °F | 65.1 °F | 4.54 in. |
| May | 54.1 °F | 74.2 °F | 5.76 in. |
| June | 63.6 °F | 83.2 °F | 5.45 in. |
| July | 67.8 °F | 88.1 °F | 4.69 in. |
| August | 65.6 °F | 86.9 °F | 4.13 in. |
| September | 57.0 °F | 79.6 °F | 4.37 in. |
| October | 44.7 °F | 67.7 °F | 3.45 in. |
| November | 33.6 °F | 54.6 °F | 2.65 in. |
| December | 24.1 °F | 43.4 °F | 2.0 in. |
| Annual | 44.2 °F | 65.1 °F | 43.25 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |