Nanticoke, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.1 °C (low) to 18.9 °C (high). Annual precipitation averages 1168.2 Millimeters. Nanticoke is located in USDA Plant Hardiness Zone 8a. 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 | -1.4 °C | 6.9 °C | 85.6 mm |
| February | -0.8 °C | 8.2 °C | 74.42 mm |
| March | 2.9 °C | 12.1 °C | 104.39 mm |
| April | 8.6 °C | 18.4 °C | 88.39 mm |
| May | 14 °C | 23.2 °C | 94.49 mm |
| June | 19.1 °C | 27.9 °C | 103.89 mm |
| July | 21.9 °C | 30.3 °C | 112.27 mm |
| August | 21 °C | 29.3 °C | 119.89 mm |
| September | 17.7 °C | 26.2 °C | 107.7 mm |
| October | 11.3 °C | 20.3 °C | 101.85 mm |
| November | 5.3 °C | 14.3 °C | 81.28 mm |
| December | 1.2 °C | 9.6 °C | 93.98 mm |
| Annual | 10.1 °C | 18.9 °C | 1168.15 mm |
| 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 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |