Palatka, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.3 °C (low) to 26.9 °C (high). Annual precipitation averages 1395 Millimeters. Palatka is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 1 - Jan. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.9 °C | 19.7 °C | 82.55 mm |
| February | 8.2 °C | 21.3 °C | 70.87 mm |
| March | 10.7 °C | 24.1 °C | 90.42 mm |
| April | 14 °C | 27.2 °C | 72.9 mm |
| May | 17.7 °C | 30.3 °C | 91.44 mm |
| June | 21.3 °C | 32.2 °C | 196.09 mm |
| July | 22.4 °C | 32.8 °C | 179.32 mm |
| August | 22.6 °C | 32.7 °C | 196.09 mm |
| September | 21.4 °C | 30.8 °C | 183.9 mm |
| October | 17.3 °C | 27.6 °C | 100.84 mm |
| November | 12.1 °C | 23.7 °C | 59.94 mm |
| December | 8.7 °C | 20.9 °C | 70.61 mm |
| Annual | 15.3 °C | 26.9 °C | 1394.97 mm |
| Average First Frost Date | Jan. 1 - Jan. 10 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°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 |