Holden, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.1 °F (low) to 65 °F (high). Annual precipitation averages 43.4 Inches. Holden is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 19.6 °F | 39.0 °F | 1.47 in. |
| February | 23.5 °F | 44.0 °F | 1.89 in. |
| March | 32.9 °F | 54.8 °F | 2.91 in. |
| April | 42.9 °F | 65.0 °F | 4.66 in. |
| May | 54.1 °F | 74.4 °F | 5.67 in. |
| June | 63.7 °F | 83.3 °F | 5.4 in. |
| July | 67.6 °F | 88.0 °F | 4.97 in. |
| August | 65.5 °F | 86.8 °F | 4.1 in. |
| September | 56.8 °F | 79.3 °F | 4.47 in. |
| October | 44.6 °F | 68.0 °F | 3.35 in. |
| November | 33.5 °F | 54.4 °F | 2.57 in. |
| December | 24.2 °F | 43.2 °F | 1.97 in. |
| Annual | 44.1 °F | 65 °F | 43.43 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 |