| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F | |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F | |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F | |
| Average First Frost Date: | Nov. 1 - Nov. 10 | |
| Average Last Frost Date: | Apr. 11 - Apr. 20 | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 63b - Chesapeake-Pamlico Lowlands and Tidal Marshes | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 21663 - Saint Michaels, MD | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 36 | 44 | 54 | 63 | 68 | 66 | 60 | 48 | 39 | 31 | 47 |
| Avg Max Temp (°F) | 44 | 47 | 56 | 66 | 76 | 84 | 88 | 86 | 80 | 69 | 59 | 48 | 67 |
| Avg Precip (In.) | 3.98 | 3.21 | 4.3 | 3.42 | 4.22 | 3.54 | 4.17 | 4.08 | 4.02 | 3.39 | 3.41 | 3.6 | 45.34 |