Weather & Climate at Joint Base Charleston in Charleston, SC
Summary of the weather and climate in Charleston, SC:
- The average high in Charleston, SC is 76.1°F and average low is 55.5°F
- The hottest month is July with an high of 91.1°F
- The coldest month is January with an low of 37.5°F
- Annual rainfall is 51.03 inches. The rainiest month is August with an average of 7.15 inches.
- Annual snowfall is 0.5 inches. The snowiest month is December with an average of 0.3 inches.
SOURCE: NOAA.GOV
Climate Table — Joint Base Charleston
Monthly Averages:
| High (°F) | Low (°F) | Rainfall (inches) | Snowfall (inches) | |
|---|---|---|---|---|
| January | 59 | 37.5 | 3.71 | 0 |
| February | 62.8 | 40.6 | 2.96 | 0.2 |
| March | 69.6 | 46.7 | 3.71 | 0 |
| April | 76.4 | 53.3 | 2.91 | 0 |
| May | 83.2 | 61.8 | 3.02 | 0 |
| June | 88.4 | 69.6 | 5.65 | 0 |
| July | 91.1 | 73 | 6.53 | 0 |
| August | 89.5 | 72.3 | 7.15 | 0 |
| September | 84.8 | 67.2 | 6.1 | 0 |
| October | 77.1 | 56.8 | 3.75 | 0 |
| November | 69.8 | 47.5 | 2.43 | 0 |
| December | 61.6 | 40.1 | 3.11 | 0.3 |
Climate Charts — Joint Base Charleston
Weather through the year:
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