Benedict, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.5 °C (low) to 19.5 °C (high). Annual precipitation averages 1182.6 Millimeters. Benedict 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 | -2.7 °C | 7.4 °C | 80.26 mm |
| February | -1.8 °C | 8.9 °C | 71.12 mm |
| March | 1.7 °C | 13.3 °C | 100.84 mm |
| April | 7.3 °C | 20 °C | 82.8 mm |
| May | 12.6 °C | 24.2 °C | 109.98 mm |
| June | 17.5 °C | 28.5 °C | 108.71 mm |
| July | 20.1 °C | 30.8 °C | 113.03 mm |
| August | 19.2 °C | 29.8 °C | 116.33 mm |
| September | 15.6 °C | 26.3 °C | 116.59 mm |
| October | 9 °C | 20.3 °C | 104.14 mm |
| November | 3.3 °C | 14.6 °C | 81.28 mm |
| December | -0.3 °C | 9.6 °C | 97.54 mm |
| Annual | 8.5 °C | 19.5 °C | 1182.62 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 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |