Norfolk, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53 °F (low) to 69.6 °F (high). Annual precipitation averages 50.4 Inches. Norfolk is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.8 °F | 50.4 °F | 3.56 in. |
| February | 35.1 °F | 52.7 °F | 2.82 in. |
| March | 41.3 °F | 59.1 °F | 3.98 in. |
| April | 50.6 °F | 69.1 °F | 3.61 in. |
| May | 59.4 °F | 76.6 °F | 4.18 in. |
| June | 68.1 °F | 84.1 °F | 4.73 in. |
| July | 72.5 °F | 88.4 °F | 5.33 in. |
| August | 71.3 °F | 86.3 °F | 5.7 in. |
| September | 66.5 °F | 80.9 °F | 5.34 in. |
| October | 55.2 °F | 71.6 °F | 4.17 in. |
| November | 44.6 °F | 61.7 °F | 3.37 in. |
| December | 38.0 °F | 54.1 °F | 3.59 in. |
| Annual | 53 °F | 69.6 °F | 50.38 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 30-40 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |