Falkner, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.6 °C (low) to 22 °C (high). Annual precipitation averages 1462.3 Millimeters. Falkner is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.2 °C | 9.9 °C | 121.92 mm |
| February | 0.3 °C | 12.4 °C | 128.52 mm |
| March | 4.3 °C | 17.3 °C | 138.43 mm |
| April | 9.1 °C | 22.5 °C | 145.03 mm |
| May | 14.4 °C | 26.6 °C | 132.59 mm |
| June | 18.8 °C | 30.5 °C | 117.86 mm |
| July | 20.8 °C | 32.1 °C | 118.87 mm |
| August | 19.8 °C | 31.9 °C | 90.93 mm |
| September | 15.9 °C | 29 °C | 101.09 mm |
| October | 9.1 °C | 23.2 °C | 101.09 mm |
| November | 3.5 °C | 16.7 °C | 110.49 mm |
| December | 0.4 °C | 11.4 °C | 155.45 mm |
| Annual | 9.6 °C | 22 °C | 1462.27 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |