| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 49°F | 38°F | 6.6" |
| February | 29°F | 52°F | 40°F | 4.8" |
| March | 36°F | 61°F | 48°F | 6.3" |
| April | 46°F | 72°F | 59°F | 6.8" |
| May | 55°F | 79°F | 66°F | 7.2" |
| June | 64°F | 87°F | 75°F | 8.1" |
| July | 68°F | 90°F | 78°F | 6.8" |
| August | 66°F | 88°F | 77°F | 7.1" |
| September | 60°F | 82°F | 70°F | 6.7" |
| October | 49°F | 72°F | 59°F | 8.4" |
| November | 38°F | 62°F | 49°F | 8.3" |
| December | 32°F | 53°F | 42°F | 8.0" |
| Index | Goochland | Virginia | National |
| Air quality index | 44 | 58 | 42 |
| Pollution index | 532,332 | 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 | 0.030% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.001% |
| Lead | 0.010% |
| Mercury | 0.001% |
| City | Population | Air Quality Index | National Avg. |
| Columbia, VA | 102 | 40 | 20.0% |
| Short Pump, VA | 27,385 | 44 | 12.0% |
| Powhatan, VA | 416 | 44 | 12.0% |
| Goochland, VA | 679 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Bowersville, GA | 679 | 41 | 18.0% |
| Attica, KS | 679 | 40 | 20.0% |
| Cherokee, KS | 679 | 37 | 26.0% |
| Etna, OH | 679 | 46 | 8.0% |
| Kiowa, OK | 679 | 43 | 14.0% |
| Goochland, VA | 679 | 44 | 12.0% |
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