Patterson, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51 °F (low) to 71.6 °F (high). Annual precipitation averages 50.8 Inches. Patterson 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. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 30.2 °F | 47.9 °F | 3.64 in. |
| February | 33.6 °F | 53.0 °F | 3.95 in. |
| March | 41.4 °F | 62.0 °F | 5.03 in. |
| April | 50.5 °F | 72.5 °F | 5.62 in. |
| May | 60.2 °F | 81.0 °F | 5.46 in. |
| June | 68.8 °F | 88.9 °F | 3.57 in. |
| July | 71.9 °F | 91.6 °F | 3.53 in. |
| August | 69.8 °F | 91.2 °F | 3.01 in. |
| September | 62.0 °F | 84.8 °F | 3.26 in. |
| October | 50.1 °F | 74.9 °F | 4.07 in. |
| November | 40.5 °F | 61.1 °F | 4.38 in. |
| December | 33.3 °F | 50.8 °F | 5.31 in. |
| Annual | 51 °F | 71.6 °F | 50.83 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| 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 |