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The numbers here tell you how hot and cold the weather usually is in Charleston, South Carolina during each month of the year. The average high and low temperatures are listed below monthly and annually for Charleston, in both degrees Fahrenheit and Celsius.
The hottest month of the year in Charleston is July, with an average high of 89°F and low of 76°F. The cool season lasts for 3.0 months, from December 1 to March 1, with an average daily high temperature below 65°F. The coldest month of the year in Charleston is January, with an average low of 43°F and high of 59°F.
The average temperatures fluctuate from 57°F (13.9°C) in March to a maximum of 79.5°F (26.4°C) in May. The rainfall also follows an ascending pattern, with an average rainfall of 1.42" (36mm) in March gradually increasing to 2.87" (73mm) in May.
- What is the coldest month in Charleston?Charleston, South Carolina, experiences its lowest temperatures in January , with an average peak of 57°F and a low of 44.4°F .
- What are the least humid months in Charleston?January and March , with an average relative humidity of 73% , are the least humid months in Charleston.
- What is the driest month in Charleston?January is the month with the least rainfall in Charleston. Rain falls for 9.8 days and accumulates 1.42" of precipitation .
- How many days does it rain in Charleston?Throughout the year, there are 178.9 rainfall days , and 41.93" of precipitation is accumulated.
- When does it snow in Charleston?Months with snowfall in Charleston, South Carolina, are January and December .
- When does it snow the most in Charleston?January is the month with the most snowfall . Snow falls for 0.4 days and accumulates 0.12" of snow .
- How many days does it snow in Charleston?In Charleston, during the entire year, snow falls for 0.6 days and aggregates up to 0.16" of snow .
- What is the month with the lowest UV index in Charleston?January is the month with the lowest UV index in Charleston, South Carolina, with an average maximum UV index of 3 .
- When it does not snow in Charleston?In Charleston, snow does not fall in February through November .
The average temperature is of 19.9 °C (68 °F), with a minimum of 14.3 °C (57.7 °F) and a maximum of 25.5 °C (77.9 °F). On the coldest nights, which normally occur at the end of the month, the temperature usually drops to around 5.5 °C (42 °F).
Currently: 73 °F. Passing clouds. (Weather station: Charleston Air Force Base Reporting Station, USA). See more current weather.
Due to the nearness of the Gulf Stream in the Straits of Florida, and the tempering effects of the Gulf of Mexico, the Florida Keys have a notably mild, tropical-maritime climate. Diurnal temperature variations throughout the year range about 10 degrees.
Jan 9, 2020 · Charleston's weather is moderate year-round, with ample sunshine, mild winters, and agreeable springs and falls that make up for hot and humid summers. Here's what to expect in terms of average temperature, inches of rain, and daylight hours throughout the year. Average Monthly Temperature, Rainfall, and Daylight Hours.
