| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 26°F | 45°F | 35°F | 4.6" |
| February | 27°F | 48°F | 37°F | 4.1" |
| March | 36°F | 59°F | 47°F | 5.4" |
| April | 45°F | 70°F | 57°F | 6.6" |
| May | 54°F | 77°F | 66°F | 7.2" |
| June | 63°F | 86°F | 74°F | 10.2" |
| July | 67°F | 89°F | 78°F | 8.7" |
| August | 66°F | 87°F | 76°F | 7.4" |
| September | 59°F | 81°F | 69°F | 11.4" |
| October | 48°F | 70°F | 58°F | 8.8" |
| November | 37°F | 59°F | 47°F | 5.7" |
| December | 31°F | 50°F | 40°F | 5.9" |
| Index | Woodbridge | Virginia | National |
| Air quality index | 47 | 58 | 42 |
| Pollution index | 380,124 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 209 |
| Days with moderate air quality | 145 |
| Days w/ poor A.Q. for sensitive groups | 10 |
| Days with unhealthy air quality | 1 |
| Pollutant | Total |
| Arsenic | 0.003% |
| Benzene | 0.005% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.001% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Manassas Park, VA | 17,548 | 47 | 6.0% |
| Sudley, VA | 18,019 | 47 | 6.0% |
| Fort Washington, MD | 24,468 | 47 | 6.0% |
| National Harbor, MD | 3,998 | 47 | 6.0% |
| Belle Haven, VA | 6,582 | 47 | 6.0% |
| Woodbridge, VA | 42,517 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Pittsfield, MA | 42,514 | 37 | 26.0% |
| Rohnert Park, CA | 42,559 | 34 | 32.0% |
| Hicksville, NY | 42,468 | 51 | 2.0% |
| Urbana, IL | 42,461 | 42 | 16.0% |
| Schertz, TX | 42,433 | 49 | 2.0% |
| Woodbridge, VA | 42,517 | 47 | 6.0% |
Here are the best places to live in Virginia
Check out the 10 most dangerous cities in Virginia
These are the largest cities in Virginia
See the best places to live in Woodbridge