Black Diamond, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59 °F (low) to 81.6 °F (high). Annual precipitation averages 56.5 Inches. Black Diamond is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Jan. 21 - Jan. 31 through the first frost around Jan. 11 - Jan. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 43.7 °F | 69.6 °F | 3.14 in. |
| February | 46.9 °F | 72.5 °F | 3.48 in. |
| March | 50.7 °F | 77.3 °F | 3.45 in. |
| April | 57.0 °F | 81.4 °F | 2.41 in. |
| May | 63.5 °F | 87.0 °F | 3.27 in. |
| June | 70.1 °F | 89.7 °F | 8.74 in. |
| July | 71.9 °F | 90.4 °F | 8.46 in. |
| August | 72.2 °F | 90.2 °F | 8.57 in. |
| September | 70.3 °F | 88.9 °F | 6.73 in. |
| October | 62.1 °F | 83.7 °F | 2.77 in. |
| November | 52.4 °F | 77.0 °F | 2.1 in. |
| December | 47.1 °F | 71.7 °F | 3.38 in. |
| Annual | 59 °F | 81.6 °F | 56.5 in. |
| Average First Frost Date | Jan. 11 - Jan. 20 |
| Average Last Frost Date | Jan. 21 - Jan. 31 |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9a : 20°F to 25°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |