Altoona, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.9 °F (low) to 82.3 °F (high). Annual precipitation averages 54.5 Inches. Altoona is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 45.0 °F | 69.7 °F | 3.02 in. |
| February | 47.9 °F | 72.6 °F | 2.44 in. |
| March | 51.7 °F | 77.4 °F | 3.31 in. |
| April | 57.7 °F | 83.1 °F | 2.82 in. |
| May | 64.1 °F | 88.1 °F | 3.72 in. |
| June | 70.6 °F | 90.9 °F | 8.08 in. |
| July | 72.4 °F | 92.0 °F | 7.53 in. |
| August | 72.6 °F | 91.8 °F | 8.47 in. |
| September | 70.5 °F | 89.2 °F | 6.91 in. |
| October | 63.4 °F | 84.1 °F | 3.5 in. |
| November | 54.0 °F | 76.9 °F | 2.09 in. |
| December | 48.6 °F | 71.9 °F | 2.63 in. |
| Annual | 59.9 °F | 82.3 °F | 54.52 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |