Tangipahoa, Louisiana has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 12.9 °C (low) to 25.7 °C (high). Annual precipitation averages 1654 Millimeters. Tangipahoa is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.8 °C | 16.2 °C | 163.83 mm |
| February | 5.4 °C | 18.4 °C | 140.97 mm |
| March | 9 °C | 22.3 °C | 145.54 mm |
| April | 12.3 °C | 25.7 °C | 141.99 mm |
| May | 16.7 °C | 29.6 °C | 126.49 mm |
| June | 20.5 °C | 32.4 °C | 166.37 mm |
| July | 21.7 °C | 33.3 °C | 150.11 mm |
| August | 21.7 °C | 33.6 °C | 158.75 mm |
| September | 19.2 °C | 31.6 °C | 108.2 mm |
| October | 12.9 °C | 27.1 °C | 108.2 mm |
| November | 7.4 °C | 21.2 °C | 104.14 mm |
| December | 4.7 °C | 17.4 °C | 139.45 mm |
| Annual | 12.9 °C | 25.7 °C | 1654.04 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |