
| Month | Low | High |
|---|---|---|
| Jan | 36.9°F | 58.9°F |
| Feb | 39.1°F | 62.3°F |
| Mar | 46.0°F | 69.3°F |
| Apr | 52.2°F | 76.1°F |
| May | 61.3°F | 82.9°F |
| Jun | 68.5°F | 87.9°F |
| Jul | 72.5°F | 90.9°F |
| Aug | 71.6°F | 89.4°F |
| Sept | 67.1°F | 85.0°F |
| Oct | 55.3°F | 77.0°F |
| Nov | 46.4°F | 69.6°F |
| Dec | 39.3°F | 61.6°F |
Charleston Ap's coldest month is January when the average temperature overnight is 36.9°F. In July, the warmest month, the average day time temperature rises to 90.9°F.

| Month | Precipitation |
|---|---|
| Jan | 4.08in. |
| Feb | 3.08in. |
| Mar | 4.00in. |
| Apr | 2.77in. |
| May | 3.67in. |
| Jun | 5.92in. |
| Jul | 6.13in. |
| Aug | 6.91in. |
| Sept | 5.98in. |
| Oct | 3.09in. |
| Nov | 2.66in. |
| Dec | 3.24in. |
The driest month in Charleston Ap is November with 2.66 inches of precipitation, and with 6.91 inches August is the wettest month.