North Charleston weather in July

In July, North Charleston sees average daytime highs of 88°F and overnight lows near 76°F, with 5.4 in of rain across 17.8 wet days and about 13.9 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 88°F through the month. The sky is clear or mostly clear about 26% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 06 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is North Charleston's 11th-clearest and 11th-windiest month. For the whole year in context, see North Charleston's year-round climate.

Daytime high
88°
1st warmest
Overnight low
76°
12th coldest
Rainfall
5.4 in
17.8 wet days
Daylight
14 hours
5:26 AM – 7:25 PM
Cloud cover
61%
11th clearest
Wind
7 mph
11th windiest
Solar energy
6.19 kWh/m²
Travel score
3.7
out of 10

North Charleston is city in Berkeley, Charleston and Dorchester counties, South Carolina, United States.

Density
571/km²
people per km²
Founded
1972

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 88°F through the month.

A typical July day in North Charleston reaches about 88°F in the afternoon and slips back to 76°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 83°F and 92°F. Set against its neighbours, July runs about 3°F warmer than June and on par with August.

70°80°90°151015202531
Avg high (°F)Avg low (°F)
18775
28775
38775
48776
58776
68776
78776
88876
98876
108876
118876
128876
138876
148876
158876
168876
178876
188876
198876
208876
218876
228876
238876
248876
258876
268876
278876
288876
298776
308776
318776

How July really feels in North Charleston

Once humidity and wind are folded in, July averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

North Charleston weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan59° / 43°3.28.410.14.8
Feb62° / 45°3.37.810.85.4
Mar67° / 51°3.28.211.86.6
Apr73° / 58°2.97.512.87.4
May80° / 66°2.7913.76.8
Jun85° / 73°5.116.314.14.5
Jul88° / 76°5.417.813.93.7
Aug87° / 75°6.318.913.23.9
Sep83° / 71°5.113.312.25.5
Oct76° / 61°4.07.811.27.4
Nov67° / 51°2.66.810.36.9
Dec62° / 46°3.47.79.95.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 21% of July, with mostly cloudy or overcast conditions the remaining 54%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54852
64852
74852
84852
94951
104951
114951
124951
134951
144852
154753
164753
174753
184753
194555
204555
214555
224555
234456
244456
254357
264357
274357
284357
294357
304357
314357

Chance of precipitation in July

Any precipitation

North Charleston gets around 5.4 in of rain over 17.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 58% and peaks near 63% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
156
256
355
455
555
654
754
854
955
1055
1155
1256
1356
1457
1557
1658
1758
1859
1959
2060
2160
2261
2361
2462
2562
2662
2763
2863
2963
3063
3163

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1276427
2276328
3276130
4266032
5166033
6165835
7165637
8155638
9155539
10155440
11155341
12155242
13155143
14145045
15045046
16044947
17044848
18044749
19044650
20044551
21044452
22044353
23044254
24044254
25044155
26044155
27044056
28054055
29054055
30054055
31054055

Wind in July

Winds average 7 mph in July.

Across July, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 06 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:19 AM to 5:36 AM, and sunset from 7:27 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:197:27
214.15:197:27
314.15:207:27
414.15:207:27
514.15:217:27
614.15:217:27
714.15:227:27
814.15:227:27
914.15:237:27
1014.15:237:26
1114.05:247:26
1214.05:247:26
1314.05:257:26
1414.05:257:25
1514.05:267:25
1614.05:267:25
1714.05:277:24
1813.95:287:24
1913.95:287:23
2013.95:297:23
2113.95:297:22
2213.95:307:22
2313.85:317:21
2413.85:317:21
2513.85:327:20
2613.85:337:19
2713.85:337:19
2813.75:347:18
2913.75:357:17
3013.75:357:17
3113.75:367:16

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.19 kWh/m².

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 6.47 kWh/m² in May across the year — July's 6.19 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.0Intense
246.0Intense
256.0Intense
266.0Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.8Bright
Planning a trip in July

Hazard calendar for North Charleston

In seasonPeak

In July, North Charleston sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

North Charleston sits in the Atlantic hurricane belt; the season peaks August–October.

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

Is July a good time to visit North Charleston?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.7
Sightseeing
12th-best month of the year
5.5
Beach & pool
7th-best month of the year

July is a weaker month for outdoor sightseeing in North Charleston.

What to pack for North Charleston in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, North Charleston sees daytime highs around 88°F and nights near 76°F. Pack light clothes, rain gear and sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near North Charleston in July

The nearest coast averages about 83°F in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 mi away) is warmest in August at about 83°F and coldest in February near 60°F.

It's comfortable for a long swim from Apr 25 to Nov 19 — about 6.9 months when the water holds above 68°F.

60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan61Cool
Feb60Cool
Mar61Cool
Apr66Cool
May73Refreshing
Jun80Warm
Jul83Tropical
Aug83Tropical
Sep81Warm
Oct75Warm
Nov68Refreshing
Dec64Cool

UV index in North Charleston in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in North Charleston peaks around July 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 13UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar7High
Apr7Very high
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in North Charleston in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in North Charleston is worst in March — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1819 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb12Good
Mar20Moderate
Apr14Moderate
May13Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is North Charleston?

North Charleston sits at 32.9°N, 80.0°W, 20 ft above sea level, in United States. The nearest listed city is Hanahan, 5.0 mi away.

Topography around North Charleston

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of North Charleston.

Within 2 miles, the terrain around North Charleston has only modest variations in elevation — a maximum elevation change of 69 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 161 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 230 ft.

The land around North Charleston is covered by trees (27%) and artificial surfaces (27%) within 2 miles, trees (50%) within 10 miles, and trees (54%) and water (34%) within 50 miles.

2 miles
69 ft
10 miles
161 ft
50 miles
230 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
July weather nearby: Hanahan 5.0 mi · Charleston 6.2 mi · Mount Pleasant 7.5 mi · Goose Creek 9.3 mi · Summerville 16 mi · Hilton Head 63 mi · Hilton Head Island 64 mi · Bluffton 67 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for North Charleston (32.8546°, -79.9748°, elevation 20 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).