Worton, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.1 °C (low) to 18.9 °C (high). Annual precipitation averages 1180.6 Millimeters. Worton 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 | -3.3 °C | 6 °C | 86.87 mm |
| February | -2.7 °C | 7.5 °C | 72.14 mm |
| March | 1.1 °C | 11.9 °C | 104.14 mm |
| April | 6.7 °C | 18.6 °C | 91.19 mm |
| May | 12.1 °C | 23.8 °C | 103.12 mm |
| June | 17.2 °C | 28.6 °C | 113.28 mm |
| July | 20.1 °C | 31.1 °C | 112.27 mm |
| August | 19.1 °C | 30.3 °C | 104.65 mm |
| September | 15.3 °C | 26.7 °C | 114.05 mm |
| October | 8.8 °C | 20.3 °C | 101.85 mm |
| November | 3.1 °C | 13.9 °C | 80.52 mm |
| December | -0.8 °C | 8.3 °C | 96.52 mm |
| Annual | 8.1 °C | 18.9 °C | 1180.6 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |