Iberia, Missouri has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.1 °F (low) to 66 °F (high). Annual precipitation averages 43.9 Inches. Iberia 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.0 °F | 41.2 °F | 2.48 in. |
| February | 25.8 °F | 46.2 °F | 2.17 in. |
| March | 34.0 °F | 56.3 °F | 3.41 in. |
| April | 44.1 °F | 66.9 °F | 4.91 in. |
| May | 54.5 °F | 75.2 °F | 5.15 in. |
| June | 63.3 °F | 82.9 °F | 4.4 in. |
| July | 67.4 °F | 87.4 °F | 4.13 in. |
| August | 65.5 °F | 86.9 °F | 3.68 in. |
| September | 56.9 °F | 79.4 °F | 4.28 in. |
| October | 45.5 °F | 68.4 °F | 3.32 in. |
| November | 35.2 °F | 55.7 °F | 3.56 in. |
| December | 26.4 °F | 45.0 °F | 2.41 in. |
| Annual | 45.1 °F | 66 °F | 43.9 in. |
| 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 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 |