Oran, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.7 °F (low) to 68.2 °F (high). Annual precipitation averages 50.6 Inches. Oran is located in USDA Plant Hardiness Zone 7a. 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 | 26.2 °F | 43.0 °F | 3.6 in. |
| February | 29.2 °F | 48.2 °F | 3.67 in. |
| March | 37.3 °F | 57.9 °F | 4.66 in. |
| April | 47.1 °F | 69.1 °F | 5.51 in. |
| May | 57.5 °F | 78.1 °F | 5.73 in. |
| June | 66.0 °F | 86.6 °F | 4.1 in. |
| July | 69.4 °F | 89.3 °F | 4.23 in. |
| August | 67.0 °F | 88.4 °F | 3.0 in. |
| September | 58.8 °F | 82.4 °F | 3.37 in. |
| October | 46.9 °F | 71.5 °F | 3.8 in. |
| November | 36.9 °F | 57.5 °F | 4.75 in. |
| December | 29.6 °F | 46.4 °F | 4.22 in. |
| Annual | 47.7 °F | 68.2 °F | 50.64 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 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |