Hurlock, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47 °F (low) to 67 °F (high). Annual precipitation averages 45.2 Inches. Hurlock is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 27.1 °F | 44.6 °F | 3.34 in. |
| February | 28.1 °F | 47.1 °F | 2.86 in. |
| March | 34.5 °F | 54.8 °F | 4.07 in. |
| April | 44.6 °F | 66.4 °F | 3.52 in. |
| May | 54.3 °F | 75.2 °F | 3.74 in. |
| June | 63.7 °F | 84.1 °F | 4.18 in. |
| July | 68.3 °F | 88.2 °F | 4.19 in. |
| August | 66.0 °F | 86.0 °F | 4.59 in. |
| September | 59.6 °F | 80.4 °F | 3.94 in. |
| October | 48.5 °F | 69.9 °F | 3.84 in. |
| November | 38.1 °F | 58.3 °F | 3.15 in. |
| December | 31.4 °F | 49.0 °F | 3.75 in. |
| Annual | 47 °F | 67 °F | 45.17 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |