Blountstown, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56 °F (low) to 79.7 °F (high). Annual precipitation averages 58.8 Inches. Blountstown is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.1 °F | 63.5 °F | 4.75 in. |
| February | 42.2 °F | 67.4 °F | 4.41 in. |
| March | 47.8 °F | 73.8 °F | 5.21 in. |
| April | 54.1 °F | 80.2 °F | 4.42 in. |
| May | 62.2 °F | 87.4 °F | 3.8 in. |
| June | 69.5 °F | 91.0 °F | 6.24 in. |
| July | 71.6 °F | 92.4 °F | 6.34 in. |
| August | 71.4 °F | 91.4 °F | 6.19 in. |
| September | 67.7 °F | 88.5 °F | 6.69 in. |
| October | 57.3 °F | 82.1 °F | 3.29 in. |
| November | 46.9 °F | 72.4 °F | 3.48 in. |
| December | 41.8 °F | 65.8 °F | 3.98 in. |
| Annual | 56 °F | 79.7 °F | 58.8 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |