Elkton, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 7.5 °C (low) to 18.2 °C (high). Annual precipitation averages 1220.5 Millimeters. Elkton is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -4.1 °C | 5.3 °C | 87.63 mm |
| February | -3.6 °C | 6.7 °C | 76.2 mm |
| March | 0.4 °C | 11.2 °C | 109.47 mm |
| April | 6.1 °C | 17.8 °C | 99.57 mm |
| May | 11.6 °C | 23.1 °C | 99.82 mm |
| June | 16.7 °C | 27.9 °C | 123.95 mm |
| July | 19.6 °C | 30.4 °C | 116.33 mm |
| August | 18.8 °C | 29.3 °C | 103.38 mm |
| September | 14.8 °C | 26 °C | 111.76 mm |
| October | 8.1 °C | 19.5 °C | 102.36 mm |
| November | 2.6 °C | 13.3 °C | 83.31 mm |
| December | -1.3 °C | 7.7 °C | 106.68 mm |
| Annual | 7.5 °C | 18.2 °C | 1220.46 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |