Spring Ridge, Maryland has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.9 °C (low) to 18.3 °C (high). Annual precipitation averages 1120.6 Millimeters. Spring Ridge 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 | -4.4 °C | 4.9 °C | 76.71 mm |
| February | -3.6 °C | 6.8 °C | 62.74 mm |
| March | 0.2 °C | 11.7 °C | 93.47 mm |
| April | 5.6 °C | 18.6 °C | 85.85 mm |
| May | 11.2 °C | 23.4 °C | 105.41 mm |
| June | 16.2 °C | 28.3 °C | 102.87 mm |
| July | 19 °C | 30.8 °C | 123.95 mm |
| August | 17.8 °C | 29.7 °C | 82.04 mm |
| September | 13.8 °C | 25.9 °C | 116.33 mm |
| October | 7.5 °C | 19.5 °C | 97.28 mm |
| November | 1.7 °C | 13.1 °C | 81.03 mm |
| December | -1.9 °C | 7.3 °C | 92.96 mm |
| Annual | 6.9 °C | 18.3 °C | 1120.64 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 | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |