Chevy Chase Section Five, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.7 °F (low) to 66.4 °F (high). Annual precipitation averages 46 Inches. Chevy Chase Section Five 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 | 26.6 °F | 43.4 °F | 3.13 in. |
| February | 27.9 °F | 46.8 °F | 2.77 in. |
| March | 34.4 °F | 55.3 °F | 3.98 in. |
| April | 44.4 °F | 67.2 °F | 3.48 in. |
| May | 54.2 °F | 75.5 °F | 4.51 in. |
| June | 63.2 °F | 83.6 °F | 4.56 in. |
| July | 68.0 °F | 87.7 °F | 4.59 in. |
| August | 66.3 °F | 85.9 °F | 3.71 in. |
| September | 59.7 °F | 79.1 °F | 4.44 in. |
| October | 47.7 °F | 67.7 °F | 3.91 in. |
| November | 37.5 °F | 57.0 °F | 3.17 in. |
| December | 30.7 °F | 47.3 °F | 3.71 in. |
| Annual | 46.7 °F | 66.4 °F | 45.96 in. |
| 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 : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |