Little Orleans, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6 °C (low) to 18.2 °C (high). Annual precipitation averages 986.5 Millimeters. Little Orleans is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -5 °C | 5.1 °C | 67.56 mm |
| February | -3.9 °C | 7 °C | 57.4 mm |
| March | -0.4 °C | 11.7 °C | 82.55 mm |
| April | 4.9 °C | 18.8 °C | 85.6 mm |
| May | 10.1 °C | 23.5 °C | 97.79 mm |
| June | 15.1 °C | 27.9 °C | 100.84 mm |
| July | 17.6 °C | 30.4 °C | 88.9 mm |
| August | 16.6 °C | 29.4 °C | 85.34 mm |
| September | 12.8 °C | 25.7 °C | 97.79 mm |
| October | 6.1 °C | 19.4 °C | 74.68 mm |
| November | 1 °C | 13.1 °C | 70.36 mm |
| December | -2.6 °C | 6.9 °C | 77.72 mm |
| Annual | 6 °C | 18.2 °C | 986.53 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |