Jennings, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 56.5 °F (low) to 79.6 °F (high). Annual precipitation averages 52.4 Inches. Jennings 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 | 40.3 °F | 64.1 °F | 4.63 in. |
| February | 43.2 °F | 67.8 °F | 3.79 in. |
| March | 48.3 °F | 74.0 °F | 4.67 in. |
| April | 54.7 °F | 80.0 °F | 3.42 in. |
| May | 62.3 °F | 86.6 °F | 2.92 in. |
| June | 69.5 °F | 90.5 °F | 6.84 in. |
| July | 71.7 °F | 92.1 °F | 5.84 in. |
| August | 71.7 °F | 91.4 °F | 6.13 in. |
| September | 67.9 °F | 88.3 °F | 4.84 in. |
| October | 58.1 °F | 81.2 °F | 3.35 in. |
| November | 47.7 °F | 72.5 °F | 2.45 in. |
| December | 42.8 °F | 66.3 °F | 3.48 in. |
| Annual | 56.5 °F | 79.6 °F | 52.36 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 |