Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 38°F | 64°F | 50°F | 2.9" |
February | 39°F | 66°F | 51°F | 3.7" |
March | 45°F | 72°F | 58°F | 3.1" |
April | 53°F | 80°F | 66°F | 3.4" |
May | 62°F | 85°F | 73°F | 3.4" |
June | 70°F | 91°F | 79°F | 6.6" |
July | 73°F | 92°F | 82°F | 6.5" |
August | 73°F | 91°F | 81°F | 8.0" |
September | 68°F | 87°F | 76°F | 5.9" |
October | 56°F | 80°F | 67°F | 5.6" |
November | 45°F | 72°F | 57°F | 2.9" |
December | 42°F | 67°F | 53°F | 3.7" |
Index | Folly Beach | South Carolina | National |
Air quality index | 38 | 37 | 42 |
Pollution index | 783,589 | 3,620,438 | 2,726,193 |
Measurement | Total |
Days measured | 355 |
Days with good air quality | 299 |
Days with moderate air quality | 55 |
Days w/ poor A.Q. for sensitive groups | 1 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.001% |
Benzene | 0.010% |
Carbon Tetrachloride | 0.001% |
Lead | 0.003% |
Mercury | 0.000% |
City | Population | Air Quality Index | National Avg. |
James Island, SC | 12,157 | 38 | 24.0% |
Rockville, SC | 132 | 38 | 24.0% |
Kiawah Island, SC | 1,772 | 38 | 24.0% |
Seabrook Island, SC | 1,810 | 38 | 24.0% |
Charleston, SC | 137,041 | 38 | 24.0% |
Folly Beach, SC | 2,664 | 38 | 24.0% |
City | Population | Air Quality Index | National Avg. |
Spaniard's Bay, NL | 2,664 | n/a | |
Mountain View, MO | 2,663 | 39 | 22.0% |
Dyer, TN | 2,663 | 26 | 48.0% |
Juneau, WI | 2,663 | 40 | 20.0% |
Dawson Springs, KY | 2,665 | 40 | 20.0% |
Folly Beach, SC | 2,664 | 38 | 24.0% |