| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 32°F | 52°F | 41°F | 2.8" |
| February | 32°F | 54°F | 42°F | 2.6" |
| March | 40°F | 62°F | 50°F | 3.0" |
| April | 49°F | 73°F | 60°F | 3.5" |
| May | 58°F | 79°F | 68°F | 3.9" |
| June | 67°F | 87°F | 77°F | 4.5" |
| July | 71°F | 91°F | 80°F | 5.3" |
| August | 70°F | 88°F | 78°F | 5.4" |
| September | 64°F | 83°F | 73°F | 5.3" |
| October | 53°F | 74°F | 63°F | 6.0" |
| November | 41°F | 63°F | 52°F | 3.5" |
| December | 36°F | 56°F | 45°F | 3.6" |
| Index | Mathews | Virginia | National |
| Air quality index | 40 | 58 | 42 |
| Pollution index | 244,779 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 317 |
| Days with moderate air quality | 48 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.000% |
| Benzene | 0.003% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.000% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Gloucester Point, VA | 10,373 | 40 | 20.0% |
| Gwynn, VA | 634 | 40 | 20.0% |
| Deltaville, VA | 943 | 40 | 20.0% |
| Yorktown, VA | 286 | 40 | 20.0% |
| Gloucester Courthouse, VA | 2,969 | 40 | 20.0% |
| Mathews, VA | 683 | 40 | 20.0% |
| City | Population | Air Quality Index | National Avg. |
| North City, IL | 683 | 43 | 14.0% |
| Holton, IN | 683 | 35 | 30.0% |
| Wilson, KS | 683 | 40 | 20.0% |
| Smiths Grove, KY | 683 | 43 | 14.0% |
| Cheshire, MA | 683 | 37 | 26.0% |
| Mathews, VA | 683 | 40 | 20.0% |
Here are the best places to live in Virginia
Top 10 best public schools in Mathews
These are the 10 most affordable cities in Virginia
10 Best cities in Virginia for employment