Tullos, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.7 °F (low) to 77.7 °F (high). Annual precipitation averages 60.5 Inches. Tullos 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 36.2 °F | 58.9 °F | 6.0 in. |
| February | 38.8 °F | 62.9 °F | 5.41 in. |
| March | 45.4 °F | 71.0 °F | 5.75 in. |
| April | 52.7 °F | 78.0 °F | 5.95 in. |
| May | 61.6 °F | 85.0 °F | 5.11 in. |
| June | 68.6 °F | 90.3 °F | 4.76 in. |
| July | 71.3 °F | 93.4 °F | 4.62 in. |
| August | 70.4 °F | 94.2 °F | 3.73 in. |
| September | 64.5 °F | 89.1 °F | 3.85 in. |
| October | 53.5 °F | 80.2 °F | 4.46 in. |
| November | 43.3 °F | 68.8 °F | 5.17 in. |
| December | 37.7 °F | 60.6 °F | 5.69 in. |
| Annual | 53.7 °F | 77.7 °F | 60.5 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |