Fanning Springs, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 57.6 °F (low) to 80.5 °F (high). Annual precipitation averages 55.7 Inches. Fanning Springs 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 Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 41.5 °F | 66.4 °F | 3.87 in. |
| February | 44.9 °F | 69.8 °F | 3.24 in. |
| March | 49.3 °F | 75.1 °F | 3.98 in. |
| April | 55.2 °F | 80.7 °F | 2.76 in. |
| May | 62.3 °F | 87.2 °F | 2.95 in. |
| June | 69.9 °F | 90.0 °F | 7.68 in. |
| July | 72.0 °F | 91.0 °F | 8.22 in. |
| August | 72.4 °F | 90.6 °F | 8.83 in. |
| September | 69.3 °F | 88.6 °F | 6.02 in. |
| October | 60.1 °F | 82.6 °F | 3.08 in. |
| November | 49.7 °F | 74.8 °F | 2.0 in. |
| December | 44.3 °F | 68.7 °F | 3.08 in. |
| Annual | 57.6 °F | 80.5 °F | 55.71 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |