Hazen, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52 °F (low) to 71.7 °F (high). Annual precipitation averages 49.5 Inches. Hazen is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.6 °F | 49.1 °F | 3.73 in. |
| February | 34.6 °F | 54.1 °F | 3.93 in. |
| March | 42.3 °F | 62.8 °F | 4.94 in. |
| April | 51.4 °F | 72.3 °F | 5.46 in. |
| May | 61.2 °F | 80.4 °F | 5.08 in. |
| June | 69.4 °F | 88.1 °F | 3.24 in. |
| July | 72.3 °F | 91.0 °F | 3.23 in. |
| August | 70.6 °F | 90.5 °F | 2.94 in. |
| September | 63.2 °F | 84.6 °F | 3.13 in. |
| October | 51.2 °F | 74.4 °F | 4.19 in. |
| November | 41.2 °F | 61.5 °F | 4.35 in. |
| December | 34.4 °F | 51.9 °F | 5.28 in. |
| Annual | 52 °F | 71.7 °F | 49.5 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |