| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 33°F | 54°F | 43°F | 3.9" |
| February | 35°F | 58°F | 46°F | 3.0" |
| March | 43°F | 67°F | 54°F | 3.9" |
| April | 51°F | 76°F | 63°F | 4.1" |
| May | 59°F | 81°F | 70°F | 3.8" |
| June | 68°F | 89°F | 78°F | 4.4" |
| July | 71°F | 91°F | 80°F | 4.2" |
| August | 71°F | 89°F | 79°F | 5.5" |
| September | 65°F | 84°F | 73°F | 2.8" |
| October | 52°F | 75°F | 63°F | 3.4" |
| November | 41°F | 65°F | 53°F | 3.2" |
| December | 38°F | 57°F | 47°F | 5.0" |
| Index | Mauldin | South Carolina | National |
| Air quality index | 46 | 37 | 42 |
| Pollution index | 7,804,180 | 3,620,438 | 2,726,193 |
| Measurement | Total |
| Days measured | 365 |
| Days with good air quality | 222 |
| Days with moderate air quality | 141 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.010% |
| Benzene | 0.070% |
| Carbon Tetrachloride | 0.020% |
| Lead | 0.050% |
| Mercury | 0.003% |
| City | Population | Air Quality Index | National Avg. |
| West Pelzer, SC | 1,049 | 31 | 38.0% |
| Williamston, SC | 4,219 | 31 | 38.0% |
| Pelzer, SC | 1,653 | 31 | 38.0% |
| Duncan, SC | 3,556 | 44 | 12.0% |
| Startex, SC | 556 | 44 | 12.0% |
| Mauldin, SC | 25,829 | 46 | 8.0% |
| City | Population | Air Quality Index | National Avg. |
| Mercer Island, WA | 25,820 | 45 | 10.0% |
| Kankakee, IL | 25,818 | 55 | 10.0% |
| Socastee, SC | 25,846 | 14 | 72.0% |
| Holbrook, NY | 25,794 | 43 | 14.0% |
| Lemoore, CA | 25,867 | 56 | 12.0% |
| Mauldin, SC | 25,829 | 46 | 8.0% |
Here are the best places to live in South Carolina
10 Best cities in South Carolina for employment
Top 10 cities in South Carolina with the best education system
Top 10 best public schools in Mauldin