Tishomingo, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.4 °C (low) to 22.1 °C (high). Annual precipitation averages 1532.9 Millimeters. Tishomingo 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 | -1.3 °C | 10.3 °C | 134.62 mm |
| February | 0.3 °C | 12.9 °C | 137.41 mm |
| March | 4.3 °C | 17.7 °C | 142.75 mm |
| April | 8.8 °C | 22.7 °C | 140.46 mm |
| May | 14.1 °C | 26.7 °C | 149.35 mm |
| June | 18.6 °C | 30.4 °C | 113.79 mm |
| July | 20.3 °C | 31.9 °C | 121.92 mm |
| August | 19.7 °C | 31.9 °C | 113.28 mm |
| September | 15.8 °C | 29.1 °C | 108.2 mm |
| October | 9.1 °C | 23.4 °C | 97.54 mm |
| November | 3.3 °C | 16.9 °C | 114.55 mm |
| December | 0.3 °C | 11.7 °C | 159 mm |
| Annual | 9.4 °C | 22.1 °C | 1532.87 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 |