| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 28°F | 48°F | 37°F | 5.0" |
| February | 29°F | 51°F | 39°F | 4.0" |
| March | 36°F | 59°F | 47°F | 3.7" |
| April | 49°F | 71°F | 60°F | 4.8" |
| May | 57°F | 77°F | 66°F | 5.9" |
| June | 66°F | 85°F | 75°F | 8.1" |
| July | 70°F | 89°F | 79°F | 5.1" |
| August | 67°F | 86°F | 76°F | 6.7" |
| September | 63°F | 81°F | 72°F | 5.6" |
| October | 50°F | 70°F | 60°F | 6.3" |
| November | 38°F | 60°F | 48°F | 6.2" |
| December | 35°F | 54°F | 44°F | 5.8" |
| Index | Enon | Virginia | National |
| Air quality index | 44 | 58 | 42 |
| Pollution index | 3,155,520 | 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 | 0.090% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.100% |
| Lead | 0.080% |
| Mercury | 0.030% |
| City | Population | Air Quality Index | National Avg. |
| Charles City, VA | 26 | 44 | 12.0% |
| Bensley, VA | 6,044 | 44 | 12.0% |
| Ettrick, VA | 5,024 | 44 | 12.0% |
| Richmond, VA | 229,233 | 44 | 12.0% |
| Petersburg, VA | 30,791 | 44 | 12.0% |
| Enon, VA | 4,237 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Cherry Grove, OH | 4,237 | 54 | 8.0% |
| Hastings Highlands, ON | 4,237 | n/a | |
| Cold Spring, MN | 4,238 | 32 | 36.0% |
| Forsyth, GA | 4,239 | 38 | 24.0% |
| Moon Lake, FL | 4,234 | 43 | 14.0% |
| Enon, VA | 4,237 | 44 | 12.0% |
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