Salem, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46 °F (low) to 69.5 °F (high). Annual precipitation averages 49.6 Inches. Salem is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.2 °F | 51.0 °F | 3.84 in. |
| February | 34.4 °F | 55.8 °F | 4.19 in. |
| March | 41.7 °F | 64.3 °F | 5.08 in. |
| April | 50.3 °F | 73.4 °F | 5.55 in. |
| May | 60.0 °F | 80.5 °F | 5.55 in. |
| June | 68.2 °F | 88.2 °F | 4.01 in. |
| July | 71.5 °F | 91.9 °F | 4.08 in. |
| August | 70.4 °F | 92.0 °F | 3.39 in. |
| September | 63.2 °F | 85.5 °F | 3.76 in. |
| October | 51.4 °F | 74.9 °F | 4.55 in. |
| November | 41.0 °F | 62.4 °F | 5.05 in. |
| December | 34.1 °F | 53.5 °F | 5.14 in. |
| Annual | 51.5 °F | 72.8 °F | 54.19 in. |
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.9 °F | 46.3 °F | 3.35 in. |
| February | 28.0 °F | 51.2 °F | 3.58 in. |
| March | 35.9 °F | 60.4 °F | 4.85 in. |
| April | 45.2 °F | 70.7 °F | 5.44 in. |
| May | 54.8 °F | 77.7 °F | 5.19 in. |
| June | 63.5 °F | 86.1 °F | 3.63 in. |
| July | 67.2 °F | 90.2 °F | 3.81 in. |
| August | 65.8 °F | 89.9 °F | 3.55 in. |
| September | 57.8 °F | 82.6 °F | 4.0 in. |
| October | 45.7 °F | 71.4 °F | 3.73 in. |
| November | 35.5 °F | 59.0 °F | 4.67 in. |
| December | 28.0 °F | 48.7 °F | 3.8 in. |
| Annual | 46 °F | 69.5 °F | 49.6 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |