Olga, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 63.4 °F (low) to 84.2 °F (high). Annual precipitation averages 55.9 Inches. Olga is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 51.1 °F | 74.4 °F | 2.0 in. |
| February | 53.5 °F | 77.2 °F | 1.92 in. |
| March | 56.3 °F | 80.3 °F | 2.38 in. |
| April | 61.1 °F | 84.4 °F | 2.37 in. |
| May | 66.3 °F | 88.2 °F | 4.07 in. |
| June | 71.5 °F | 90.4 °F | 10.02 in. |
| July | 73.2 °F | 91.1 °F | 9.05 in. |
| August | 73.7 °F | 91.4 °F | 9.56 in. |
| September | 72.7 °F | 89.9 °F | 7.89 in. |
| October | 67.7 °F | 86.1 °F | 2.99 in. |
| November | 59.4 °F | 80.5 °F | 1.88 in. |
| December | 54.8 °F | 76.4 °F | 1.81 in. |
| Annual | 63.4 °F | 84.2 °F | 55.94 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |