Chesapeake Ranch Estates, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.5 °F (low) to 66.6 °F (high). Annual precipitation averages 46 Inches. Chesapeake Ranch Estates is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.6 °F | 45.1 °F | 3.18 in. |
| February | 30.7 °F | 47.7 °F | 2.91 in. |
| March | 37.2 °F | 54.6 °F | 4.31 in. |
| April | 47.4 °F | 65.7 °F | 3.31 in. |
| May | 57.7 °F | 74.5 °F | 3.88 in. |
| June | 66.7 °F | 83.0 °F | 4.27 in. |
| July | 71.6 °F | 87.2 °F | 4.5 in. |
| August | 70.3 °F | 85.2 °F | 4.46 in. |
| September | 64.4 °F | 79.6 °F | 4.29 in. |
| October | 53.0 °F | 68.9 °F | 4.0 in. |
| November | 42.1 °F | 58.1 °F | 3.15 in. |
| December | 34.7 °F | 49.9 °F | 3.72 in. |
| Annual | 50.5 °F | 66.6 °F | 45.98 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |