When is the best time to go to Charleston
The chart above shows the best time of year to visit Charleston, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Charleston
Charleston weather by month
Please note our recommendations for when to visit Charleston are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 86mm | 6.4hrs | 11.2hrs | 21°C |
Cool and a little damp weather often prevails in Charleston during the month of January
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Charleston.
January is in the winter in Charleston and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 5°C (41°F) is normal.
On average January is the driest month of the year in Charleston with around 86mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.4 hours of sunshine per day.
Charleston weather in January »
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 81mm | 7.2hrs | 11.9hrs | 20°C |
February in Charleston is generally a little damp with the temperature being mild.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Charleston.
February is in the winter in Charleston and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 15°C (59°F), whilst at night 6°C (43°F) is normal.
On average February is the 2nd driest month of the year in Charleston with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
Charleston weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 17°C | 109mm | 8.4hrs | 12.8hrs | 20°C |
The weather in March in Charleston is characteristically mild and damp.
Although outside the main holiday season, there is still plenty of quite acceptable weather around this time of year. This makes it an okay time to visit Charleston.
March is in the spring in Charleston and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 10°C (50°F) is normal.
On average March is the 3rd driest month of the year in Charleston with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 21°C | 64mm | 9.8hrs | 13.8hrs | 21°C |
Charleston's weather in April is typically warm and reasonably dry in nature.
It is perhaps the perfect month to visit Charleston, with some very good weather at this time of year.
April is in the spring in Charleston and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a comfortable 23°C (74°F), whilst at night 14°C (57°F) is normal.
On average April is the 4th driest month of the year in Charleston with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 24°C | 95mm | 10.1hrs | 14.7hrs | 23°C |
May is a a little damp, humid month in Charleston and the temperature is generally warm.
It is perhaps the perfect month to visit Charleston, with some very good weather at this time of year.
May is in the spring in Charleston and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 19°C (66°F) is normal.
On average May is the 5th driest month of the year in Charleston with around 95mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.1 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 27°C | 153mm | 9.9hrs | 11.2hrs | 26°C |
The weather in June in Charleston is characteristically hot, humid and wet.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Charleston.
June is in the summer in Charleston and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 22°C (72°F) is normal.
On average June is the 6th driest month of the year in Charleston with around 153mm 6 inches of rain making it a wet time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.9 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 162mm | 9.8hrs | 11.9hrs | 28°C |
July in Charleston is generally wet with the temperature being hot.
Based on weather alone, this is probably a time of year to avoid going to Charleston for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
July is in the summer in Charleston and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (89°F), whilst at night 24°C (75°F) is normal.
On average July is the 6th wettest month of the year in Charleston with around 162mm 6.4 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 28°C | 185mm | 8.8hrs | 12.8hrs | 28°C |
The weather in August in Charleston is characteristically hot, humid and wet.
Based on weather alone, this is probably a time of year to avoid going to Charleston for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
August is in the summer in Charleston and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (75°F) is normal.
On average August is the 5th wettest month of the year in Charleston with around 185mm 7.3 inches of rain making it a wet time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.8 hours of sunshine per day.
Charleston weather in August »
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 26°C | 121mm | 7.8hrs | 13.8hrs | 28°C |
Charleston's weather in September is typically hot, humid and wet in nature.
It is perhaps a good month to visit Charleston, with some surprisingly good weather at this time of year.
September is in the fall / autumn in Charleston and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (83°F), whilst at night 21°C (71°F) is normal.
On average September is the 4th wettest month of the year in Charleston with around 121mm 4.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
Charleston weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 22°C | 73mm | 7.8hrs | 14.7hrs | 25°C |
October is a reasonably dry month in Charleston and the temperature is generally warm.
It is perhaps the perfect month to visit Charleston, with some inordinately good weather at this time of year.
October is in the fall / autumn in Charleston and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 16°C (60°F) is normal.
On average October is the 3rd wettest month of the year in Charleston with around 73mm 2.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.8 hours of sunshine per day.
Charleston weather in October »
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 18°C | 60mm | 6.9hrs | 11.2hrs | 23°C |
The climate in Charleston during November can be summarized as mild and reasonably dry.
It is perhaps the perfect month to visit Charleston, with some extremely good weather at this time of year.
November is in the fall / autumn in Charleston and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 11°C (51°F) is normal.
On average November is the 2nd wettest month of the year in Charleston with around 60mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
Charleston weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 76mm | 6.1hrs | 11.9hrs | 22°C |
December in Charleston is generally reasonably dry with the temperature being mild.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Charleston.
December is in the winter in Charleston and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 7°C (44°F) is normal.
On average December is the wettest month of the year in Charleston with around 76mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.1 hours of sunshine per day.
Other monthly averages
Charleston weather stats
| Hottest month: | July | 31.2°C 88.2°F |
|---|---|---|
| Driest month: | November | 60mm 2.4ins |
| Sunniest month: | April | 9.8hrs |
| Coldest month: | January | 13.3°C 55.9°F |
| Wettest month: | August | 185mm 7.3ins |
| Warmest sea: | August | 28.4°C 83.1°F |
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