Bloomfield, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.7 °F (low) to 68.6 °F (high). Annual precipitation averages 50.6 Inches. Bloomfield is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.0 °F | 43.3 °F | 3.79 in. |
| February | 29.1 °F | 49.4 °F | 3.78 in. |
| March | 37.1 °F | 59.1 °F | 4.67 in. |
| April | 47.0 °F | 69.4 °F | 5.62 in. |
| May | 57.5 °F | 78.5 °F | 5.07 in. |
| June | 66.0 °F | 86.9 °F | 3.43 in. |
| July | 69.5 °F | 89.5 °F | 4.44 in. |
| August | 67.3 °F | 88.6 °F | 3.13 in. |
| September | 59.4 °F | 82.7 °F | 3.46 in. |
| October | 47.2 °F | 71.8 °F | 4.04 in. |
| November | 36.8 °F | 57.7 °F | 4.58 in. |
| December | 29.2 °F | 46.0 °F | 4.57 in. |
| Annual | 47.7 °F | 68.6 °F | 50.58 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |