Heber Springs, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49 °F (low) to 71.3 °F (high). Annual precipitation averages 51.1 Inches. Heber Springs is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.2 °F | 48.7 °F | 3.63 in. |
| February | 31.2 °F | 53.2 °F | 3.69 in. |
| March | 38.9 °F | 62.1 °F | 4.9 in. |
| April | 47.8 °F | 72.0 °F | 5.03 in. |
| May | 57.8 °F | 79.6 °F | 4.95 in. |
| June | 66.5 °F | 87.3 °F | 3.57 in. |
| July | 69.9 °F | 91.2 °F | 4.08 in. |
| August | 68.3 °F | 90.9 °F | 3.71 in. |
| September | 60.8 °F | 84.4 °F | 3.5 in. |
| October | 48.7 °F | 73.6 °F | 4.19 in. |
| November | 38.5 °F | 60.9 °F | 5.03 in. |
| December | 31.5 °F | 51.4 °F | 4.83 in. |
| Annual | 49 °F | 71.3 °F | 51.11 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |