Jay, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.4 °F (low) to 77.1 °F (high). Annual precipitation averages 66.9 Inches. Jay is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 38.4 °F | 60.3 °F | 5.98 in. |
| February | 41.5 °F | 64.6 °F | 5.01 in. |
| March | 47.7 °F | 71.0 °F | 5.71 in. |
| April | 54.2 °F | 77.3 °F | 5.41 in. |
| May | 62.5 °F | 84.3 °F | 4.63 in. |
| June | 69.9 °F | 89.0 °F | 6.77 in. |
| July | 71.3 °F | 90.6 °F | 7.27 in. |
| August | 70.8 °F | 90.0 °F | 6.4 in. |
| September | 66.5 °F | 86.9 °F | 5.63 in. |
| October | 55.9 °F | 79.1 °F | 4.02 in. |
| November | 45.3 °F | 69.8 °F | 4.65 in. |
| December | 41.2 °F | 62.7 °F | 5.46 in. |
| Annual | 55.4 °F | 77.1 °F | 66.94 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |