Which is the hottest month in Charleston?

The hottest time of year in Charleston is normally July. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in Charleston?

In terms of rainfall, August is usually the wettest month in Charleston with 185mm on average. There are normally 13 days in August with some rain.

When is it sunniest in Charleston?

The sunniest time of year in Charleston is normally April with bright sunshine on average for 70% of daylight hours; that's 9 hours of sunshine per day.

When is the sea warmest in Charleston?

The sea is usually at its warmest in Charleston in August when the water temperature reaches 28°C.

Best time to visit Charleston

Q: When is the best time to visit Charleston?

The best time to visit Charleston is April and May based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Charleston by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Charleston?

The best time to visit Charleston is April and May based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

1.5
Jan
1.5
Feb
3.5
Mar
4.5
Apr
4.5
May
4
Jun
4
Jul
3.5
Aug
4
Sep
4
Oct
3
Nov
1.5
Dec

Change criteria

Max Day Temperature (°C)

14
Jan
15
Feb
19
Mar
23
Apr
27
May
30
Jun
31
Jul
31
Aug
28
Sep
24
Oct
20
Nov
16
Dec

Hours of Sunshine (daily)

6
Jan
7
Feb
8
Mar
9
Apr
9
May
9
Jun
9
Jul
8
Aug
7
Sep
7
Oct
6
Nov
6
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for South Carolina (Charleston) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)