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July weather forecast in Charleston

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

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

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

29 June, sun

	762 mmHg		80%
	3.8 m/s		+29

29 June, Sunday. day, 31°; night, 23°; rain

30 June, mon

	761 mmHg		79%
	3.6 m/s		+29

30 June, Monday. day, 31°; night, 23°; rain

1 July, tue

	761 mmHg		79%
	3.7 m/s		+29

1 July, Tuesday. day, 31°; night, 23°; rain

2 July, wed

	761 mmHg		78%
	3.8 m/s		+29

2 July, Wednesday. day, 31°; night, 23°; rain

3 July, thu

	762 mmHg		77%
	3.8 m/s		+29

3 July, Thursday. day, 31°; night, 23°; clear

4 July, fri

	762 mmHg		77%
	3.6 m/s		+29

4 July, Friday. day, 32°; night, 23°; clear

5 July, sat

	762 mmHg		79%
	3.8 m/s		+29

5 July, Saturday. day, 32°; night, 23°; clear

6 July, sun

	762 mmHg		80%
	3.5 m/s		+29

6 July, Sunday. day, 31°; night, 24°; rain

7 July, mon

	762 mmHg		80%
	3.9 m/s		+29

7 July, Monday. day, 31°; night, 23°; rain

8 July, tue

	761 mmHg		78%
	3.9 m/s		+30

8 July, Tuesday. day, 32°; night, 23°; rain

9 July, wed

	761 mmHg		78%
	3.9 m/s		+30

9 July, Wednesday. day, 32°; night, 24°; rain

10 July, thu

	761 mmHg		78%
	3.7 m/s		+30

10 July, Thursday. day, 32°; night, 24°; rain

11 July, fri

	761 mmHg		80%
	3.7 m/s		+29

11 July, Friday. day, 32°; night, 24°; rain

12 July, sat

	762 mmHg		81%
	3.7 m/s		+29

12 July, Saturday. day, 31°; night, 24°; rain

13 July, sun

	762 mmHg		81%
	3.6 m/s		+29

13 July, Sunday. day, 31°; night, 24°; rain

14 July, mon

	761 mmHg		81%
	3.6 m/s		+29

14 July, Monday. day, 31°; night, 23°; rain

15 July, tue

	762 mmHg		80%
	3.6 m/s		+29

15 July, Tuesday. day, 31°; night, 24°; partly cloudy

16 July, wed

	762 mmHg		80%
	3.4 m/s		+29

16 July, Wednesday. day, 31°; night, 24°; partly cloudy

17 July, thu

	762 mmHg		81%
	3.5 m/s		+29

17 July, Thursday. day, 31°; night, 24°; rain

18 July, fri

	762 mmHg		80%
	3.5 m/s		+29

18 July, Friday. day, 31°; night, 23°; partly cloudy

19 July, sat

	762 mmHg		79%
	3.7 m/s		+29

19 July, Saturday. day, 32°; night, 24°; clear

20 July, sun

	761 mmHg		79%
	3.6 m/s		+29

20 July, Sunday. day, 32°; night, 24°; rain

21 July, mon

	761 mmHg		79%
	3.9 m/s		+30

21 July, Monday. day, 32°; night, 24°; rain

22 July, tue

	761 mmHg		79%
	3.9 m/s		+30

22 July, Tuesday. day, 32°; night, 24°; clear

23 July, wed

	761 mmHg		80%
	4.1 m/s		+30

23 July, Wednesday. day, 32°; night, 24°; rain

24 July, thu

	761 mmHg		81%
	3.9 m/s		+30

24 July, Thursday. day, 31°; night, 24°; rain

25 July, fri

	762 mmHg		81%
	3.5 m/s		+30

25 July, Friday. day, 31°; night, 24°; overcast

26 July, sat

	762 mmHg		81%
	3.5 m/s		+30

26 July, Saturday. day, 31°; night, 24°; partly cloudy

27 July, sun

	762 mmHg		81%
	3.4 m/s		+30

27 July, Sunday. day, 32°; night, 24°; rain

28 July, mon

	762 mmHg		81%
	3.3 m/s		+30

28 July, Monday. day, 32°; night, 24°; rain

29 July, tue

	761 mmHg		80%
	3.7 m/s		+30

29 July, Tuesday. day, 32°; night, 24°; rain

30 July, wed

	761 mmHg		80%
	3.7 m/s		+29

30 July, Wednesday. day, 32°; night, 24°; rain

31 July, thu

	761 mmHg		80%
	3.9 m/s		+29

31 July, Thursday. day, 31°; night, 24°; partly cloudy

1 August, fri

	762 mmHg		81%
	3.7 m/s		+29

1 August, Friday. day, 31°; night, 24°; rain

2 August, sat

	761 mmHg		81%
	3.8 m/s		+30

2 August, Saturday. day, 31°; night, 24°; rain

Average data for 10 years

Charleston July

5

sunny days

20

days with precipitation

7

cloudy days

5 sunny days; 20 days with precipitation; 7 cloudy days;

80

%

air humidity

2.4

m/s

WindS

168

mm of precipitation

(13% of annual average)

+29

°C

Water temperature

air humidity 80%; 168 millimeters of precipitation (13% of annual average); Wind southerly 2.4 Meters per second; Water temperature +29°

Weather graphs for July

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

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S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

S

SW

SW

S

S

S

S

S

S

S

S

S

S

S

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

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18

19

20

21

22

23

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28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Charlotte
Palm Coast
Jacksonville
Columbia
Raleigh
Hilton Head Island
Jacksonville Beach
Atlantic Beach
Wilmington

Cities with similar weather in July

Alanya
Phuket
Pattaya
Marmaris
Aqaba
Varadero
Eylat
Punta Cana
Samui

The weather forecast for July 2025 is based on historical data from the past 10 years.

July in Charleston is the rainiest and the hottest month of the year. In July, the weather in Charleston is typically hot. Average daily high temperature in July is about 31 degrees above zero. On average, Charleston has 20 rainy, 5 sunny, 5 partly cloudy, and 1 cloudy day in July. The rains are usually heavy. July as well as June and August is considered the most uncomfortable time to visit Charleston.

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