Patterson, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.6 °C (low) to 22 °C (high). Annual precipitation averages 1291.1 Millimeters. 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 | -1 °C | 8.8 °C | 92.46 mm |
| February | 0.9 °C | 11.7 °C | 100.33 mm |
| March | 5.2 °C | 16.7 °C | 127.76 mm |
| April | 10.3 °C | 22.5 °C | 142.75 mm |
| May | 15.7 °C | 27.2 °C | 138.68 mm |
| June | 20.4 °C | 31.6 °C | 90.68 mm |
| July | 22.2 °C | 33.1 °C | 89.66 mm |
| August | 21 °C | 32.9 °C | 76.45 mm |
| September | 16.7 °C | 29.3 °C | 82.8 mm |
| October | 10.1 °C | 23.8 °C | 103.38 mm |
| November | 4.7 °C | 16.2 °C | 111.25 mm |
| December | 0.7 °C | 10.4 °C | 134.87 mm |
| Annual | 10.6 °C | 22 °C | 1291.07 mm |
| 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 : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |