| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 31°F | 54°F | 42°F | 3.3" |
| February | 33°F | 57°F | 44°F | 2.4" |
| March | 40°F | 66°F | 53°F | 3.5" |
| April | 49°F | 75°F | 62°F | 3.1" |
| May | 57°F | 81°F | 69°F | 3.6" |
| June | 66°F | 89°F | 77°F | 3.9" |
| July | 69°F | 91°F | 79°F | 4.0" |
| August | 68°F | 90°F | 78°F | 4.0" |
| September | 62°F | 84°F | 72°F | 3.3" |
| October | 49°F | 74°F | 61°F | 2.6" |
| November | 38°F | 64°F | 50°F | 3.3" |
| December | 35°F | 58°F | 46°F | 4.3" |
| Index | Monarch Mill | South Carolina | National |
| Air quality index | 44 | 37 | 42 |
| Pollution index | 1,726,850 | 3,620,438 | 2,726,193 |
| Measurement | Total |
| Days measured | 357 |
| Days with good air quality | 249 |
| Days with moderate air quality | 106 |
| Days w/ poor A.Q. for sensitive groups | 2 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.003% |
| Lead | 0.004% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Carlisle, SC | 571 | 36 | 28.0% |
| Lockhart, SC | 427 | 36 | 28.0% |
| Buffalo, SC | 1,020 | 44 | 12.0% |
| Union, SC | 7,716 | 44 | 12.0% |
| Whitmire, SC | 1,641 | 44 | 12.0% |
| Monarch Mill, SC | 1,264 | 44 | 12.0% |
| City | Population | Air Quality Index | National Avg. |
| Camp Hill, AL | 1,264 | 52 | 4.0% |
| Wetumka, OK | 1,264 | 43 | 14.0% |
| Waymart, PA | 1,264 | 38 | 24.0% |
| China Spring, TX | 1,264 | 38 | 24.0% |
| Stanleytown, VA | 1,264 | 38 | 24.0% |
| Monarch Mill, SC | 1,264 | 44 | 12.0% |
Here are the best places to live in South Carolina
Check out the 10 safest cities in South Carolina
Most Dangerous States In The US
Most Dangerous Cities In The US