Pickens, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.5 °C (low) to 23.7 °C (high). Annual precipitation averages 1435.4 Millimeters. Pickens is located in USDA Plant Hardiness Zone 8b. 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 | 1.5 °C | 12.9 °C | 137.92 mm |
| February | 3.1 °C | 15.7 °C | 130.3 mm |
| March | 7.1 °C | 19.9 °C | 148.08 mm |
| April | 11.1 °C | 23.9 °C | 156.46 mm |
| May | 15.9 °C | 27.8 °C | 120.4 mm |
| June | 19.9 °C | 31.1 °C | 88.39 mm |
| July | 21.6 °C | 32.5 °C | 118.11 mm |
| August | 20.9 °C | 32.6 °C | 100.84 mm |
| September | 17.7 °C | 30.2 °C | 91.19 mm |
| October | 11.2 °C | 25 °C | 90.68 mm |
| November | 5.6 °C | 18.8 °C | 115.82 mm |
| December | 2.7 °C | 14.4 °C | 137.16 mm |
| Annual | 11.5 °C | 23.7 °C | 1435.35 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |