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Average climate of Charleston

The climate of Charleston has an average yearly temperature of 23°C. Throughout the year, the average monthly temperature can drop to 10°C and rise to 32°C.

Annually, about 1226 mm of rain falls. This gives a good overview of how much rain to expect in Charleston. Additionally, about 8,9 cm of snow falls each year.

  • Average yearly temperature: 23°C
  • Highest temperature: 32°C in July
  • Lowest temperature: 10°C in January
  • Precipitation: 1226 mm per year, averaging 102 mm per month
  • Driest months: 45 mm in September, 72 mm in May and 79 mm in October
  • Wettest months: 221 mm in February, 136 mm in December and 131 mm in March
  • Snowfall: 8,9 cm per year

Climate table Charleston

The climate table for Charleston shows the average temperatures, precipitation, snowfall, and UV index per month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 10 13 18 23 27 30 32 31 29 23 17 13
Nighttime temperature (°C) -1 2 6 9 15 19 21 21 17 10 4 3
Precipitation (mm) 80 221 131 93 72 92 101 92 45 79 84 136
Snowfall (cm) 0,8 7,0 0,7 0 0 0 0 0 0 0 0 0,4
UV Index 4 4 5 6 8 8 8 8 6 6 3 3

Temperature per month in Charleston

This graph shows the average high temperatures in degrees Celsius for each month in Charleston

Temperature per month in Charleston

Precipitation per month in Charleston

This graph shows the average monthly precipitation in millimeters in Charleston.

Precipitation per month in Charleston

Snowfall per month in Charleston

This graph shows the average snowfall in centimeters per month in Charleston.

Snowfall per month in Charleston

UV index per month in Charleston

This graph shows the average UV index per month in Charleston.

UV index per month in Charleston

Yearly temperature in Charleston

This graph shows the average yearly temperature in Charleston, measured in degrees Celsius.

Yearly temperature in Charleston

Yearly total precipitation in Charleston

This graph shows the average yearly precipitation in millimeters in Charleston.

Precipitation per year in Charleston

Yearly snowfall in Charleston

This graph shows the average yearly snowfall in Charleston, measured in centimeters.

Snowfall per year in Charleston

Weather experiences in Charleston

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Average weather in Charleston per month

Click on a month below to see in detail how the weather typically is in Charleston and what to expect. Based on the historical weather data of Charleston, you can view the average temperature, precipitation, wind, and UV index for each day of the month.