Triana, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50 °F (low) to 71.8 °F (high). Annual precipitation averages 57.6 Inches. 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 | 31.2 °F | 50.6 °F | 5.51 in. |
| February | 33.9 °F | 54.9 °F | 5.36 in. |
| March | 40.8 °F | 63.6 °F | 5.3 in. |
| April | 48.8 °F | 72.3 °F | 5.2 in. |
| May | 57.9 °F | 80.0 °F | 4.62 in. |
| June | 65.9 °F | 86.7 °F | 4.45 in. |
| July | 69.2 °F | 89.4 °F | 4.68 in. |
| August | 67.8 °F | 89.2 °F | 3.98 in. |
| September | 61.4 °F | 84.5 °F | 4.09 in. |
| October | 49.7 °F | 74.1 °F | 3.82 in. |
| November | 39.2 °F | 62.3 °F | 4.59 in. |
| December | 33.6 °F | 53.4 °F | 6.04 in. |
| Annual | 50 °F | 71.8 °F | 57.64 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |