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 33°C.
Annually, about 1785 mm of rain falls. This gives a good overview of how much rain to expect in Charleston. Additionally, about 9,9 cm of snow falls each year.
The best time to visit Charleston is September. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Charleston.
10 to 33°C
1785 mm
9,9 cm
Table of contents
- Average yearly temperature: 23°C
- Highest temperature: 33°C in July
- Lowest temperature: 10°C in January
- Precipitation: 1785 mm per year, averaging 149 mm per month
- Driest months: 45 mm in September, 101 mm in August and 111 mm in October
- Wettest months: 254 mm in December, 221 mm in February and 176 mm in July
- Snowfall: 9,9 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 | 28 | 30 | 33 | 31 | 29 | 23 | 16 | 13 |
| Nighttime temperature (°C) | -1 | 2 | 6 | 10 | 16 | 19 | 22 | 21 | 17 | 11 | 4 | 3 |
| Precipitation (mm) | 118 | 221 | 169 | 159 | 163 | 143 | 176 | 101 | 45 | 111 | 125 | 254 |
| Snowfall (cm) | 1,3 | 7,0 | 0,9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0,7 |
| UV Index | 3 | 4 | 5 | 5 | 8 | 7 | 4 | 8 | 6 | 6 | 3 | 3 |
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Temperature per month in Charleston
This graph shows the average high temperatures in degrees Celsius for each month in Charleston
Precipitation per month in Charleston
This graph shows the average monthly precipitation in millimeters in Charleston.
Snowfall per month in Charleston
This graph shows the average snowfall in centimeters per month in Charleston.
UV index per month in Charleston
This graph shows the average UV index per month in Charleston.
Yearly temperature in Charleston
This graph shows the average yearly temperature in Charleston, measured in degrees Celsius.
Yearly total precipitation in Charleston
This graph shows the average yearly precipitation in millimeters in Charleston.
Yearly snowfall in Charleston
This graph shows the average yearly snowfall in Charleston, measured in centimeters.
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.