Newport News, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.5 °F (low) to 69 °F (high). Annual precipitation averages 50.7 Inches. Newport News 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 | 49.3 °F | 3.67 in. |
| February | 35.2 °F | 51.9 °F | 2.88 in. |
| March | 41.5 °F | 58.2 °F | 4.0 in. |
| April | 50.9 °F | 68.4 °F | 3.64 in. |
| May | 59.8 °F | 75.9 °F | 4.01 in. |
| June | 68.6 °F | 83.6 °F | 4.73 in. |
| July | 73.3 °F | 88.2 °F | 5.07 in. |
| August | 72.0 °F | 85.8 °F | 5.74 in. |
| September | 67.1 °F | 80.5 °F | 5.44 in. |
| October | 56.1 °F | 71.1 °F | 4.26 in. |
| November | 45.2 °F | 61.0 °F | 3.57 in. |
| December | 38.3 °F | 53.5 °F | 3.65 in. |
| Annual | 53.5 °F | 69 °F | 50.66 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |