Mathews, Virginia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 51.3 °F (low) to 68.2 °F (high). Annual precipitation averages 49.6 Inches. Mathews is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 31.3 °F | 48.0 °F | 3.59 in. |
| February | 32.5 °F | 50.5 °F | 3.1 in. |
| March | 38.6 °F | 56.8 °F | 4.25 in. |
| April | 48.1 °F | 67.9 °F | 3.68 in. |
| May | 57.8 °F | 75.3 °F | 3.95 in. |
| June | 66.7 °F | 83.4 °F | 4.24 in. |
| July | 71.4 °F | 87.6 °F | 5.2 in. |
| August | 70.2 °F | 85.5 °F | 5.56 in. |
| September | 65.4 °F | 80.4 °F | 4.93 in. |
| October | 54.2 °F | 70.7 °F | 4.28 in. |
| November | 43.3 °F | 60.3 °F | 3.1 in. |
| December | 35.7 °F | 52.3 °F | 3.71 in. |
| Annual | 51.3 °F | 68.2 °F | 49.59 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |