Eustis, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 60.6 °F (low) to 82.2 °F (high). Annual precipitation averages 53.5 Inches. Eustis is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 45.9 °F | 69.7 °F | 2.95 in. |
| February | 48.8 °F | 72.7 °F | 2.42 in. |
| March | 52.8 °F | 77.5 °F | 3.5 in. |
| April | 58.7 °F | 82.8 °F | 2.71 in. |
| May | 65.0 °F | 87.7 °F | 3.56 in. |
| June | 71.0 °F | 90.5 °F | 7.86 in. |
| July | 72.8 °F | 91.6 °F | 7.3 in. |
| August | 73.0 °F | 91.5 °F | 8.28 in. |
| September | 71.0 °F | 89.1 °F | 6.74 in. |
| October | 64.1 °F | 83.8 °F | 3.38 in. |
| November | 54.9 °F | 77.1 °F | 2.14 in. |
| December | 49.5 °F | 72.0 °F | 2.62 in. |
| Annual | 60.6 °F | 82.2 °F | 53.46 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 9b : 25°F to 20°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |