McIntosh, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.8 °C (low) to 27.3 °C (high). Annual precipitation averages 1410.2 Millimeters. McIntosh 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 | 6.2 °C | 20 °C | 92.71 mm |
| February | 7.8 °C | 21.8 °C | 78.74 mm |
| March | 10.2 °C | 24.6 °C | 97.03 mm |
| April | 13.6 °C | 27.6 °C | 75.18 mm |
| May | 17.3 °C | 30.8 °C | 89.41 mm |
| June | 21.2 °C | 32.4 °C | 205.23 mm |
| July | 22.3 °C | 32.9 °C | 179.83 mm |
| August | 22.3 °C | 32.6 °C | 204.47 mm |
| September | 21.1 °C | 31.3 °C | 167.13 mm |
| October | 16.3 °C | 28.2 °C | 82.55 mm |
| November | 10.8 °C | 24.2 °C | 56.13 mm |
| December | 7.9 °C | 21.1 °C | 81.79 mm |
| Annual | 14.8 °C | 27.3 °C | 1410.2 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |