Princess Anne, Maryland has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.9 °F (low) to 68.3 °F (high). Annual precipitation averages 46.6 Inches. Princess Anne 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 | 27.8 °F | 47.0 °F | 3.42 in. |
| February | 28.6 °F | 49.4 °F | 2.92 in. |
| March | 35.0 °F | 56.4 °F | 4.09 in. |
| April | 44.3 °F | 67.8 °F | 3.54 in. |
| May | 53.5 °F | 76.0 °F | 3.61 in. |
| June | 62.9 °F | 84.2 °F | 4.04 in. |
| July | 67.9 °F | 88.7 °F | 4.46 in. |
| August | 65.6 °F | 86.5 °F | 5.09 in. |
| September | 59.7 °F | 81.2 °F | 4.46 in. |
| October | 48.0 °F | 71.1 °F | 4.14 in. |
| November | 38.1 °F | 60.1 °F | 3.11 in. |
| December | 31.6 °F | 51.1 °F | 3.67 in. |
| Annual | 46.9 °F | 68.3 °F | 46.55 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |