Ocean Springs, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16.2 °C (low) to 24.6 °C (high). Annual precipitation averages 1734.1 Millimeters. Ocean Springs is located in USDA Plant Hardiness Zone 9a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.4 °C | 15.6 °C | 159.26 mm |
| February | 8.2 °C | 17.2 °C | 108.71 mm |
| March | 11.7 °C | 20.7 °C | 138.43 mm |
| April | 15.8 °C | 24.1 °C | 141.22 mm |
| May | 20.4 °C | 28.1 °C | 134.11 mm |
| June | 23.6 °C | 30.9 °C | 178.31 mm |
| July | 24.6 °C | 31.9 °C | 203.71 mm |
| August | 24.6 °C | 32.1 °C | 186.94 mm |
| September | 22.4 °C | 30.4 °C | 145.54 mm |
| October | 17.6 °C | 26.3 °C | 104.39 mm |
| November | 11.7 °C | 20.8 °C | 103.38 mm |
| December | 7.8 °C | 16.8 °C | 130.05 mm |
| Annual | 16.2 °C | 24.6 °C | 1734.05 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |