Powhatan maintains a moderate climate with the following average temperatures and precipitation:
| Annual average temperature | 58.9 degrees |
| January average temperature | 39.6 degrees |
| July average temperature | 79.1 degrees |
| Annual average rainfall | 44.06" |
| Annual average snowfall | 6.6" |
| Winds prevail from the south. |
©2008 Powhatan County, Virginia