Day, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 57 °F (low) to 80.1 °F (high). Annual precipitation averages 54.1 Inches. Day is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 40.8 °F | 65.4 °F | 4.65 in. |
| February | 43.6 °F | 68.8 °F | 3.56 in. |
| March | 48.5 °F | 74.8 °F | 4.55 in. |
| April | 55.1 °F | 80.4 °F | 3.23 in. |
| May | 62.5 °F | 87.0 °F | 3.06 in. |
| June | 69.9 °F | 90.4 °F | 6.96 in. |
| July | 71.9 °F | 91.5 °F | 6.93 in. |
| August | 72.1 °F | 91.0 °F | 7.28 in. |
| September | 68.6 °F | 88.5 °F | 5.15 in. |
| October | 58.9 °F | 82.0 °F | 3.09 in. |
| November | 48.6 °F | 73.9 °F | 2.27 in. |
| December | 43.4 °F | 67.7 °F | 3.33 in. |
| Annual | 57 °F | 80.1 °F | 54.06 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |