Norwood, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.5 °F (low) to 66 °F (high). Annual precipitation averages 46.8 Inches. Norwood 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 | 22.9 °F | 42.0 °F | 2.8 in. |
| February | 26.5 °F | 46.9 °F | 2.88 in. |
| March | 34.9 °F | 56.2 °F | 4.31 in. |
| April | 44.7 °F | 66.4 °F | 5.14 in. |
| May | 54.2 °F | 74.7 °F | 5.46 in. |
| June | 63.1 °F | 82.9 °F | 4.11 in. |
| July | 67.1 °F | 87.2 °F | 4.24 in. |
| August | 65.4 °F | 86.8 °F | 3.35 in. |
| September | 57.7 °F | 79.9 °F | 4.02 in. |
| October | 46.3 °F | 68.5 °F | 3.47 in. |
| November | 36.1 °F | 56.1 °F | 4.09 in. |
| December | 27.0 °F | 44.9 °F | 2.94 in. |
| Annual | 45.5 °F | 66 °F | 46.81 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |