| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 36°F | 59°F | 46°F | 3.0" |
| February | 38°F | 62°F | 49°F | 3.4" |
| March | 45°F | 70°F | 57°F | 3.2" |
| April | 54°F | 79°F | 66°F | 2.8" |
| May | 62°F | 85°F | 73°F | 3.4" |
| June | 70°F | 92°F | 80°F | 4.6" |
| July | 73°F | 94°F | 82°F | 4.7" |
| August | 73°F | 92°F | 81°F | 5.5" |
| September | 67°F | 87°F | 76°F | 4.2" |
| October | 55°F | 78°F | 65°F | 4.0" |
| November | 43°F | 68°F | 54°F | 2.8" |
| December | 41°F | 63°F | 50°F | 4.3" |
| Index | Forest Acres | South Carolina | National |
| Air quality index | 43 | 37 | 42 |
| Pollution index | 4,798,360 | 3,620,438 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 264 |
| Days with moderate air quality | 99 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.002% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.001% |
| Mercury | 0.002% |
| City | Population | Air Quality Index | National Avg. |
| Arcadia Lakes, SC | 782 | 43 | 14.0% |
| Gadsden, SC | 1,003 | 43 | 14.0% |
| Woodfield, SC | 9,709 | 43 | 14.0% |
| Oak Grove, SC | 12,504 | 43 | 14.0% |
| South Congaree, SC | 2,823 | 43 | 14.0% |
| Forest Acres, SC | 10,529 | 43 | 14.0% |
| City | Population | Air Quality Index | National Avg. |
| Bluffton, IN | 10,527 | 31 | 38.0% |
| East Whittier, CA | 10,526 | 72 | 44.0% |
| Pella, IA | 10,526 | 39 | 22.0% |
| Hawkesbury, ON | 10,526 | n/a | |
| West Haverstraw, NY | 10,539 | 36 | 28.0% |
| Forest Acres, SC | 10,529 | 43 | 14.0% |