| 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 7a: 0F to 5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 63f - Delmarva Uplands |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 21631 - East New Market, MD | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 29 | 36 | 44 | 53 | 63 | 67 | 66 | 59 | 48 | 39 | 31 | 47 |
| Avg Max Temp (°F) | 45 | 48 | 56 | 67 | 76 | 84 | 88 | 86 | 80 | 70 | 59 | 49 | 67 |
| Avg Precip (In.) | 4.03 | 3.23 | 4.34 | 3.33 | 3.94 | 3.47 | 4.21 | 4.63 | 3.99 | 3.18 | 3.3 | 3.52 | 45.16 |