Search results
The average temperature is of 28.1 °C (83 °F), with a minimum of 23.2 °C (73.7 °F) and a maximum of 32.9 °C (91.3 °F). On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F). However, it dropped to 16.1 °C (61 °F) in July 2010.
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.
Hottest Month: July (83 °F avg) Coldest Month: January (50 °F avg) Wettest Month: August (6.97" avg) Windiest Month: April (15 mph avg) Annual precip. 52.56"
Weather.com brings you the most accurate monthly weather forecast for Charleston, SC with average/record and high/low temperatures, precipitation and more.
Charleston, South Carolina - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data.
- 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 .
Detailed temperature information for Charleston, South Carolina with statistics on average monthly highs and lows plus number of days with hot or cold weather.
average temperature by month Charleston. The temperatures are highest on average in July, at around 27.3 °C | 81.1 °F. During the month of January, the mean temperature registers at a minimum value of 10.4 °C | 50.7 °F. This represents the coldest monthly average throughout the entire year.
