Oden, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.7 °F (low) to 72.7 °F (high). Annual precipitation averages 57.5 Inches. Oden is located in USDA Plant Hardiness Zone 8a. 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 | 29.1 °F | 51.5 °F | 3.78 in. |
| February | 32.1 °F | 55.8 °F | 3.87 in. |
| March | 39.1 °F | 64.1 °F | 4.8 in. |
| April | 47.4 °F | 73.0 °F | 5.58 in. |
| May | 57.2 °F | 79.7 °F | 6.51 in. |
| June | 65.3 °F | 87.6 °F | 4.83 in. |
| July | 68.6 °F | 92.1 °F | 4.15 in. |
| August | 67.4 °F | 92.0 °F | 4.06 in. |
| September | 60.1 °F | 85.3 °F | 4.16 in. |
| October | 48.2 °F | 74.8 °F | 5.05 in. |
| November | 38.6 °F | 62.8 °F | 5.21 in. |
| December | 31.4 °F | 53.7 °F | 5.48 in. |
| Annual | 48.7 °F | 72.7 °F | 57.48 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 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |