Welaka, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.4 °F (low) to 80.9 °F (high). Annual precipitation averages 53.8 Inches. Welaka 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 | 44.4 °F | 67.7 °F | 3.26 in. |
| February | 47.0 °F | 70.7 °F | 2.79 in. |
| March | 51.2 °F | 75.7 °F | 3.35 in. |
| April | 57.1 °F | 81.4 °F | 2.8 in. |
| May | 63.6 °F | 86.9 °F | 3.77 in. |
| June | 70.2 °F | 90.2 °F | 7.8 in. |
| July | 71.9 °F | 91.3 °F | 7.08 in. |
| August | 72.4 °F | 91.1 °F | 7.54 in. |
| September | 70.3 °F | 88.1 °F | 6.88 in. |
| October | 62.9 °F | 82.3 °F | 3.69 in. |
| November | 53.6 °F | 75.2 °F | 2.23 in. |
| December | 47.8 °F | 70.0 °F | 2.61 in. |
| Annual | 59.4 °F | 80.9 °F | 53.8 in. |
| 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 : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |