| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7b: 5F to 10F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 63d - Virginian Barrier Islands and Coastal Marshes |
| Heat Zone Days: | 8 - 14 days Over 86°F |
Annual Climate Data for ZIP Code 21842 - Ocean City, MD | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 35 | 44 | 53 | 62 | 68 | 67 | 62 | 50 | 41 | 32 | 48 |
| Avg Max Temp (°F) | 45 | 47 | 54 | 63 | 71 | 80 | 84 | 84 | 79 | 69 | 59 | 50 | 65 |
| Avg Precip (In.) | 3.99 | 3.25 | 4.5 | 3.4 | 3.76 | 3.28 | 4.06 | 4.98 | 3.67 | 3.36 | 3.28 | 3.48 | 45.01 |