| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 32°F | 54°F | 42°F | 2.6" |
| February | 34°F | 57°F | 45°F | 2.2" |
| March | 42°F | 66°F | 53°F | 2.7" |
| April | 50°F | 75°F | 62°F | 2.7" |
| May | 58°F | 81°F | 69°F | 2.9" |
| June | 66°F | 89°F | 77°F | 3.3" |
| July | 69°F | 91°F | 79°F | 3.1" |
| August | 69°F | 90°F | 78°F | 4.1" |
| September | 63°F | 84°F | 72°F | 3.0" |
| October | 50°F | 74°F | 61°F | 2.6" |
| November | 40°F | 64°F | 51°F | 2.9" |
| December | 37°F | 58°F | 46°F | 3.4" |
| Index | Elgin | South Carolina | National |
| Air quality index | 49 | 37 | 42 |
| Pollution index | 2,035,010 | 3,620,438 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 200 |
| Days with moderate air quality | 147 |
| Days w/ poor A.Q. for sensitive groups | 18 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.020% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.010% |
| Mercury | 0.004% |
| City | Population | Air Quality Index | National Avg. |
| Great Falls, SC | 1,806 | 43 | 14.0% |
| Heath Springs, SC | 639 | 43 | 14.0% |
| Kershaw, SC | 1,765 | 43 | 14.0% |
| JAARS, NC | 1,090 | 49 | 2.0% |
| Lancaster, SC | 9,187 | 49 | 2.0% |
| Elgin, SC | 2,865 | 49 | 2.0% |
| City | Population | Air Quality Index | National Avg. |
| Great Neck Estates, NY | 2,865 | 51 | 2.0% |
| Monterey, TN | 2,865 | 25 | 50.0% |
| Ithaca, MI | 2,864 | 36 | 28.0% |
| Cold Spring Harbor, NY | 2,864 | 43 | 14.0% |
| Lido Beach, NY | 2,866 | 51 | 2.0% |
| Elgin, SC | 2,865 | 49 | 2.0% |
Here are the best places to live in South Carolina
Check out the 10 safest cities in South Carolina
Most Dangerous Cities In The US
These are the largest cities in South Carolina