Trinity, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 63.6 °F (low) to 81.6 °F (high). Annual precipitation averages 55.5 Inches. Trinity is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 49.5 °F | 69.9 °F | 3.13 in. |
| February | 52.3 °F | 72.3 °F | 2.57 in. |
| March | 56.5 °F | 76.4 °F | 2.93 in. |
| April | 62.2 °F | 81.5 °F | 2.88 in. |
| May | 68.1 °F | 86.1 °F | 2.7 in. |
| June | 73.5 °F | 89.3 °F | 7.46 in. |
| July | 75.0 °F | 90.2 °F | 9.12 in. |
| August | 75.0 °F | 90.3 °F | 9.67 in. |
| September | 73.3 °F | 89.3 °F | 7.56 in. |
| October | 66.9 °F | 84.1 °F | 2.65 in. |
| November | 58.1 °F | 77.6 °F | 1.96 in. |
| December | 52.7 °F | 72.4 °F | 2.88 in. |
| Annual | 63.6 °F | 81.6 °F | 55.51 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |