| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°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: | 15 - 30 days Over 86°F |
Annual Climate Data for ZIP Code 19956 - Laurel, DE | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 26 | 28 | 35 | 43 | 53 | 62 | 66 | 65 | 58 | 47 | 38 | 30 | 46 |
| Avg Max Temp (°F) | 44 | 47 | 56 | 66 | 75 | 83 | 87 | 85 | 80 | 69 | 59 | 49 | 67 |
| Avg Precip (In.) | 3.98 | 3.25 | 4.47 | 3.37 | 3.8 | 3.44 | 4.02 | 5.08 | 3.98 | 3.37 | 3.22 | 3.44 | 45.43 |