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The average high and low temperatures are listed below monthly and annually for Charleston, in both degrees Fahrenheit and Celsius. Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature. To find out how often it rises over 70, 80 ...
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.
Feb 13, 2024 · 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.
- Charleston, South Carolina, experiences its lowest temperatures in January , with an average peak of 57°F and a low of 44.4°F .
- January and March , with an average relative humidity of 73% , are the least humid months in Charleston.
- January is the month with the least rainfall in Charleston. Rain falls for 9.8 days and accumulates 1.42" of precipitation .
- Throughout the year, there are 178.9 rainfall days , and 41.93" of precipitation is accumulated.
- Months with snowfall in Charleston, South Carolina, are January and December .
- January is the month with the most snowfall . Snow falls for 0.4 days and accumulates 0.12" of snow .
- In Charleston, during the entire year, snow falls for 0.6 days and aggregates up to 0.16" of snow .
- January is the month with the lowest UV index in Charleston, South Carolina, with an average maximum UV index of 3 .
- In Charleston, snow does not fall in February through November .
Average Temperature in Charleston. The hot season lasts for 3.7 months, from May 26 to September 16, with an average daily high temperature above 83°F. The hottest month of the year in Charleston is July, with an average high of 89°F and low of 76°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"
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).
In Charleston, South Carolina, the warmest month is July, with an average daily high temperature of 91.3 °F and an average low of 73.9 °F.
