| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 41°F | 56°F | 47°F | 3.5" |
| February | 43°F | 59°F | 50°F | 2.6" |
| March | 49°F | 64°F | 56°F | 2.4" |
| April | 58°F | 72°F | 65°F | 2.4" |
| May | 66°F | 78°F | 72°F | 1.6" |
| June | 73°F | 85°F | 79°F | 11.2" |
| July | 75°F | 86°F | 81°F | 4.5" |
| August | 75°F | 85°F | 80°F | 5.1" |
| September | 70°F | 81°F | 76°F | 10.7" |
| October | 60°F | 74°F | 67°F | 3.5" |
| November | 49°F | 65°F | 56°F | 1.2" |
| December | 45°F | 60°F | 52°F | 3.7" |
| Index | McClellanville | South Carolina | National |
| Air quality index | 14 | 37 | 42 |
| Pollution index | 940,521 | 3,620,438 | 2,726,193 |
| Measurement | Total |
| Days measured | 92 |
| Days with good air quality | 91 |
| Days with moderate air quality | 1 |
| Days w/ poor A.Q. for sensitive groups | 0 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.001% |
| Benzene | 0.010% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.003% |
| Mercury | 0.000% |
| City | Population | Air Quality Index | National Avg. |
| Jamestown, SC | 114 | 14 | 72.0% |
| Awendaw, SC | 1,744 | 38 | 24.0% |
| McClellanville, SC | 613 | 14 | 72.0% |
| City | Population | Air Quality Index | National Avg. |
| Pinehurst, GA | 613 | 38 | 24.0% |
| Witt, IL | 613 | 40 | 20.0% |
| New Salisbury, IN | 613 | 49 | 2.0% |
| Murray Hill, KY | 613 | 49 | 2.0% |
| Maybee, MI | 613 | 1 | 98.0% |
| McClellanville, SC | 613 | 14 | 72.0% |
Here are the best places to live in South Carolina
These are the 10 cheapest cities in South Carolina
Safest Cities In The US
See the best places to live in McClellanville