Triana, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10 °C (low) to 22.1 °C (high). Annual precipitation averages 1464.1 Millimeters. Triana is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.4 °C | 10.3 °C | 139.95 mm |
| February | 1.1 °C | 12.7 °C | 136.14 mm |
| March | 4.9 °C | 17.6 °C | 134.62 mm |
| April | 9.3 °C | 22.4 °C | 132.08 mm |
| May | 14.4 °C | 26.7 °C | 117.35 mm |
| June | 18.8 °C | 30.4 °C | 113.03 mm |
| July | 20.7 °C | 31.9 °C | 118.87 mm |
| August | 19.9 °C | 31.8 °C | 101.09 mm |
| September | 16.3 °C | 29.2 °C | 103.89 mm |
| October | 9.8 °C | 23.4 °C | 97.03 mm |
| November | 4 °C | 16.8 °C | 116.59 mm |
| December | 0.9 °C | 11.9 °C | 153.42 mm |
| Annual | 10 °C | 22.1 °C | 1464.06 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |