Ocean City, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.1 °C (low) to 17.5 °C (high). Annual precipitation averages 1171.7 Millimeters. Ocean City is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.9 °C | 6.8 °C | 92.46 mm |
| February | -0.5 °C | 7.7 °C | 79.25 mm |
| March | 2.8 °C | 10.5 °C | 109.98 mm |
| April | 7.8 °C | 15.9 °C | 89.66 mm |
| May | 12.8 °C | 20.2 °C | 92.71 mm |
| June | 18.5 °C | 25.3 °C | 84.58 mm |
| July | 21.2 °C | 28.2 °C | 100.58 mm |
| August | 20.9 °C | 27.5 °C | 108.46 mm |
| September | 18.3 °C | 24.8 °C | 106.68 mm |
| October | 11.9 °C | 19.7 °C | 113.28 mm |
| November | 6.1 °C | 14 °C | 86.87 mm |
| December | 1.7 °C | 9.4 °C | 107.19 mm |
| Annual | 10.1 °C | 17.5 °C | 1171.7 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |