Charleston C.O.
The tables below display average monthly climate and weather indicators in Charleston C.O. South Carolina.
Temperature by: Fahrenheit / Centigrade
    
        
            
            
                    
                        
                        
                            | Charleston C.O. Temperature | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | 
                        
                        
                        | Avg. Temperature | 48.4 | 51.0 | 57.9 | 65.4 | 72.8 | 78.8 | 81.8 | 81.0 | 76.8 | 67.9 | 59.7 | 52.2 | 66.1 | 
| Avg. Max Temperature | 55.9 | 58.8 | 65.4 | 73.0 | 79.6 | 85.1 | 88.1 | 87.0 | 82.8 | 75.0 | 67.2 | 59.7 | 73.1 | 
| Avg. Min Temperature | 40.8 | 43.2 | 50.3 | 57.8 | 66.0 | 72.4 | 75.4 | 74.9 | 70.7 | 60.7 | 52.1 | 44.6 | 59.1 | 
| Days with Max Temp of 90 F or Higher | 0.0 | 0.0 | 0.0 | < 0.5 | 1.0 | 7.0 | 13.0 | 10.0 | 4.0 | < 0.5 | 0.0 | 0.0 | 34.0 | 
| Days with Min Temp Below Freezing | 4.0 | 2.0 | < 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.0 | 9.0 | 
                        
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                            | Charleston C.O. Heating and Cooling | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | 
                        
                        
                        | Heating Degree Days | 525 | 399 | 238 | 57.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 46.0 | 194 | 407 | 1866 | 
| Cooling Degree Days | 11.0 | 7.0 | 18.0 | 69.0 | 242 | 414 | 521 | 496 | 354 | 136 | 35.0 | 10.0 | 2313 | 
                        
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                            | Charleston C.O. Precipitation | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | 
                        
                        
                        | Precipitation (inches) | 3.4 | 3.1 | 4.3 | 2.4 | 3.5 | 5.8 | 6.1 | 7.3 | 4.7 | 2.8 | 2.3 | 2.9 | 48.5 | 
| Days with Precipitation 0.01 inch or More | 10.0 | 8.0 | 8.0 | 7.0 | 8.0 | 11.0 | 10.0 | 11.0 | 9.0 | 6.0 | 7.0 | 9.0 | 106 | 
| Monthly Snowfall (inches) | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | 
                        
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                            | Other Charleston C.O. Weather Indicators | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | 
                        
                        
                        | Average Wind Speed | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 
| Clear Days | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 
| Partly Cloudy Days | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 
| Cloudy Days | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 
| Percent of Possible Sunshine | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 
| Avg. Relative Humidity | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 
                        
                    
             
         
        
        Weather information for other cities in South Carolina