| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 29°F | 51°F | 39°F | 6.1" |
| February | 30°F | 54°F | 41°F | 4.3" |
| March | 38°F | 64°F | 50°F | 4.7" |
| April | 47°F | 74°F | 60°F | 5.2" |
| May | 56°F | 80°F | 68°F | 7.7" |
| June | 65°F | 88°F | 76°F | 9.0" |
| July | 69°F | 91°F | 80°F | 9.4" |
| August | 67°F | 89°F | 77°F | 12.2" |
| September | 61°F | 83°F | 71°F | 9.3" |
| October | 49°F | 73°F | 60°F | 10.2" |
| November | 37°F | 63°F | 49°F | 5.9" |
| December | 33°F | 56°F | 43°F | 7.8" |
| Index | Petersburg | Virginia | National |
| Air quality index | 44 | 58 | 42 |
| Pollution index | 1,336,230 | 1,561,881 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 272 |
| Days with moderate air quality | 93 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.020% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Chester, VA | 22,098 | 44 | 12.0% |
| Enon, VA | 4,237 | 44 | 12.0% |
| Templeton, VA | 118 | 44 | 12.0% |
| Ettrick, VA | 5,024 | 44 | 12.0% |
| Fort Lee, VA | 5,944 | 44 | 12.0% |
| Petersburg, VA | 30,791 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Drexel Heights, AZ | 30,780 | 47 | 6.0% |
| Cleburne, TX | 30,812 | 33 | 34.0% |
| Winter Park, FL | 30,764 | 39 | 22.0% |
| Brooklyn Center, MN | 30,755 | 46 | 8.0% |
| Sainte-Julie, QC | 30,753 | n/a | |
| Petersburg, VA | 30,791 | 44 | 12.0% |
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