| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 46°F | 36°F | 4.3" |
| February | 27°F | 49°F | 37°F | 4.1" |
| March | 36°F | 59°F | 47°F | 4.8" |
| April | 45°F | 71°F | 57°F | 4.8" |
| May | 53°F | 77°F | 65°F | 8.9" |
| June | 62°F | 85°F | 73°F | 8.5" |
| July | 67°F | 89°F | 77°F | 5.5" |
| August | 65°F | 87°F | 75°F | 4.8" |
| September | 58°F | 80°F | 68°F | 4.8" |
| October | 46°F | 69°F | 57°F | 6.0" |
| November | 36°F | 59°F | 46°F | 4.6" |
| December | 31°F | 50°F | 40°F | 6.5" |
| Index | Stafford Courthouse | Virginia | National |
| Air quality index | 47 | 58 | 42 |
| Pollution index | 658,482 | 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 | 0.010% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.004% |
| Mercury | 0.010% |
| City | Population | Air Quality Index | National Avg. |
| Laurel Hill, VA | 8,771 | 40 | 20.0% |
| Spotsylvania Courthouse, VA | 5,027 | 44 | 12.0% |
| King George, VA | 4,601 | 47 | 6.0% |
| Cherry Hill, VA | 20,344 | 47 | 6.0% |
| Quantico Base, VA | 5,283 | 47 | 6.0% |
| Stafford Courthouse, VA | 4,839 | 47 | 6.0% |
| City | Population | Air Quality Index | National Avg. |
| Cornwallis, MB | 4,840 | n/a | |
| Saint-Mathias-sur-Richelieu, QC | 4,837 | n/a | |
| Stone Park, IL | 4,842 | 55 | 10.0% |
| Luray, VA | 4,842 | 36 | 28.0% |
| Porter, IN | 4,835 | 37 | 26.0% |
| Stafford Courthouse, VA | 4,839 | 47 | 6.0% |
Here are the best places to live in Virginia
Most Dangerous States In The US
These are the 10 cheapest cities in Virginia
Check out the 10 most dangerous cities in Virginia