Charleston, SC weather and climate in 2024
Day
27 °C
Night
18 °C
Sea
23 °C
Precipitation
74 mm
in month
Rainy days
9 days
in month
Daylight
14 hours
average
Sunshine
9 hours
average
Humidity
73 %
Day
27 °C
Night
18 °C
Sea
23 °C
Precipitation
74 mm
in month
Rainy days
9 days
in month
Daylight
14 hours
average
Sunshine
9 hours
average
Humidity
73 %
Overview: Charleston, SC
Weather charts for Charleston, SC
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Find more destinations like this
Closest destinations for Charleston, SC
Closest cities for Charleston, SC
Weather overview for Charleston, SC
Weather overview
Charleston, SC (United States of America) in general has a hot climate. The day temperatures range from 14 °C (58 °F) in January to 32 °C (89 °F) in July. The highest night temperatures could be experienced in July with 24 °C (74 °F), the lowest in January with 4 °C (40 °F). The least rainy month in Charleston, SC is October with its 6 days of rain, the rainiest month is August, when it rains 13 days.
January weather
The number of rainy days continues to rise, with its value being 10 days in Charleston, SC, and the rise of the rainfall amount can be observed as well, the value of this measure is 87 mm (3.41 in). The day temperature is on its minimum, the value of this measure is 14 °C (58 °F), and the night temperature reaches its minimum too, with its value of 4 °C (40 °F).
February weather
The day temperature rise's start could be observed, its value is 16 °C (61 °F) in Charleston, SC, and the night temperature starts to rise too, with its value of 6 °C (42 °F). The rainfall amount descent's start could be observed, with its value of 78 mm (3.07 in), and the beginning of the descent of the number of rainy days could be noticed too in February. The humidity reaches its minimum, with its value being 67 %. The beginning of the rise of the number of sun hours (without clouds) could be noticed, its value is 7 hours.
March weather
The tourist season is at its beginning in March in Charleston, SC. The rise of the day temperature can be observed, with its value being 20 °C (68 °F), and the night temperature rises similarly to the previous month too, with its value being 9 °C (49 °F). The number of rainy days rise's start could be observed in March. The number of sun hours (without clouds) continues to rise, its value is 8 hours. The maximum of the wind speed can be noticed, with its value being 4.
April weather
The tourist season is close to its peak in Charleston, SC. The rise of the day temperature can be observed, with its value being 23 °C (74 °F), and the rise of the night temperature can be observed too, with its value of 13 °C (55 °F). The number of rainy days starts to descent, with its value being 7 days, and the beginning of the descent of the rainfall amount could be noticed too, with its value of 74 mm (2.90 in). The number of sun hours (without clouds) continues to rise, with its value being 9 hours.
May weather
There is pending tourist season this month in Charleston, SC. The day temperature continues to rise, with its value of 27 °C (81 °F), and the night temperature continues to rise as well, with its value of 18 °C (64 °F). The maximum of the number of sun hours (without clouds) is observable. The number of rainy days rise's start could be observed in this month.
June weather
The tourist season is close to its peak in Charleston, SC. The day temperature continues to rise, the value of this measure is 30 °C (86 °F), and the rise of the night temperature can be observed too, its value is 22 °C (71 °F). The rainfall amount rise's start could be observed, its value is 138 mm (5.44 in), while the rise of the number of rainy days can be observed, the value of this measure is 11 days. The day length is on its maximum, its value is 14 hours.
July weather
The maximum of the day temperature can be noticed, with its value being 32 °C (89 °F) in Charleston, SC, and the maximum of the night temperature can be noticed as well, with its value being 24 °C (74 °F). The tourist season continues. The rise of the rainfall amount can be observed, the value of this measure is 152 mm (5.98 in), and the rise of the number of rainy days can be observed as well, its value is 13 days.
August weather
The tourist season is taking place in Charleston, SC. The day temperature descent's start could be observed, the value of this measure is 31 °C (88 °F). The rainfall amount is on its maximum, its value is 173 mm (6.82 in), and the maximum of the number of rainy days is observable as well, the value of this measure is 13 days. The humidity reaches its maximum, with its value of 79 %. The wind speed reaches its minimum, its value is 4.
September weather
The tourist season continues in Charleston, SC. The day temperature descents similarly to the previous month, with its value being 29 °C (84 °F), while the night temperature descent's start could be observed, with its value being 21 °C (69 °F). The rainfall amount descent's start could be observed, its value is 143 mm (5.63 in), and the beginning of the descent of the number of rainy days could be noticed too, its value is 10 days. The number of sun hours (without clouds) continues to descent, with its value being 7 hours.
October weather
The day temperature continues to descent, with its value of 25 °C (76 °F) in Charleston, SC, and the descent of the night temperature can be observed as well, the value of this measure is 15 °C (59 °F). The number of rainy days reaches its minimum, while the rainfall amount descents similarly to the previous month, with its value being 92 mm (3.62 in). The tourist season is taking place.
November weather
The day temperature descents similarly to the previous month, the value of this measure is 20 °C (69 °F) in Charleston, SC, and the descent of the night temperature can be observed as well, its value is 10 °C (50 °F). The tourist season is taking place. The minimum of the rainfall amount is observable in November. The beginning of the descent of the number of sun hours (without clouds) could be noticed, with its value of 6 hours.
December weather
The day temperature descents similarly to the previous month, its value is 16 °C (60 °F) in Charleston, SC, and the night temperature descents similarly to the previous month as well, its value is 6 °C (43 °F). The rainfall amount rise's start could be observed, with its value of 77 mm (3.02 in), and the number of rainy days starts to rise too, with its value being 9 days. The minimum of the day length can be noticed, its value is 10 hours. The number of sun hours (without clouds) reaches its minimum, its value is 6 hours.
FAQs
What is the air temperature in Charleston, SC in January at night?
The average night temperature in January in Charleston, SC is 4 °C (40 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.
How windy is it in March in Charleston, SC?
In March in Charleston, SC, there will be an average wind scale of 4.
How many sunny hours can I expect in April in Charleston, SC?
In April in Charleston, SC, you can expect around 9 hours of sunshine. This indicator is higher by 1 hour than in the previous month. This is an increase of 17 %.
Is there a dry season in Charleston, SC in May?
No, May is not a dry month in Charleston, SC, expect rain approximately 9 days in a month.
How many days of precipitation on average can I expect in June in Charleston, SC?
In Charleston, SC in June, we can expect 11 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.5 days of the week, or in general - 35 % days. This value is 2 days higher than last month. This is 21 % increase of this indicator.
Are there good conditions to visit in July in Charleston, SC?
There are good conditions for visiting in July in Charleston, SC. The daily temperatures in this month reach pleasant 32 °C (89 °F). The temperature of the sea will be perfect at 28 °C (82 °F). At night, temperatures hover around a pleasant 24 °C (74 °F).
What is the temperature in Charleston, SC during the day in August?
The average daily temperature in Charleston, SC in August is 31 °C (88 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
Is it hot in Charleston, SC in September?
In Charleston, SC in September, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is October part of the wet season in Charleston, SC?
No, there is no wet season in October in Charleston, SC - you can expect 6 days of rain during the month.
What is the sea temperature in Charleston, SC in November?
In November in Charleston, SC expect the sea to be warm at 21 °C (70 °F). The sea at this temperature is quite cold, but it is already possible to stay in it for a long time and it is pleasantly refreshing on hot, steamy days. The value is lower by 3 °C (37 °F) than in the previous month.
How humid is Charleston, SC in December?
In Charleston, SC in December, expect humidity around 72 %.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.