White Oak, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.7 °F (low) to 66 °F (high). Annual precipitation averages 45.7 Inches. White Oak is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.2 °F | 42.9 °F | 3.11 in. |
| February | 27.7 °F | 46.1 °F | 2.74 in. |
| March | 34.3 °F | 54.7 °F | 3.99 in. |
| April | 44.4 °F | 66.7 °F | 3.48 in. |
| May | 54.4 °F | 75.1 °F | 4.45 in. |
| June | 63.1 °F | 83.3 °F | 4.61 in. |
| July | 67.8 °F | 87.4 °F | 4.41 in. |
| August | 66.2 °F | 85.5 °F | 3.72 in. |
| September | 59.7 °F | 78.8 °F | 4.48 in. |
| October | 48.1 °F | 67.5 °F | 3.85 in. |
| November | 37.6 °F | 56.7 °F | 3.15 in. |
| December | 30.6 °F | 46.9 °F | 3.73 in. |
| Annual | 46.7 °F | 66 °F | 45.72 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |