Mount Pleasant weather in October

In October, Mount Pleasant sees average daytime highs of 74°F and overnight lows near 66°F, with 4.5 in of rain across 8.6 wet days and about 11.2 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 77°F in the first days to 70°F by the end. The sky is clear or mostly clear about 50% of the time in October, and the air most often feels muggy.

Daylight stretches from about 11 h 42 min at the start of October to 10 h 42 min by month's end. Set against the rest of the year, October is Mount Pleasant's 1st-clearest and 7th-windiest month. For the whole year in context, see Mount Pleasant's year-round climate.

Daytime high
74°
6th warmest
Overnight low
66°
7th coldest
Rainfall
4.5 in
8.6 wet days
Daylight
11 h 12 min
6:29 AM – 5:40 PM
Cloud cover
44%
1st clearest
Wind
11 mph
7th windiest
Solar energy
4.07 kWh/m²
Travel score
7.3
out of 10

Mount Pleasant is town in Charleston County, South Carolina, United States.

Density
696/km²
people per km²
Founded
1680

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

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 77°F in the first days to 70°F by the end.

A typical October day in Mount Pleasant reaches about 74°F in the afternoon and slips back to 66°F overnight — a 7°F spread between the day's warmth and the night's chill. On most days the high lands between 67°F and 79°F. Set against its neighbours, October runs about 6°F cooler than September and about 8°F warmer than November.

50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
17771
27771
37770
47770
57670
67670
77669
87669
97669
107568
117568
127568
137467
147467
157467
167466
177366
187366
197365
207365
217265
227264
237264
247264
257163
267163
277163
287162
297062
307062
317062

How October really feels in Mount Pleasant

Once humidity and wind are folded in, October averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mount Pleasant weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan58° / 49°3.79.610.14.5
Feb59° / 50°3.8910.84.7
Mar63° / 55°3.58.311.86.0
Apr69° / 62°3.0712.87.0
May75° / 69°2.58.213.77.3
Jun81° / 76°4.613.914.15.9
Jul84° / 78°4.91513.95.0
Aug83° / 78°6.518.213.24.8
Sep80° / 74°6.114.212.26.0
Oct74° / 66°4.58.611.27.3
Nov66° / 57°3.07.510.36.6
Dec61° / 52°4.09.69.95.2

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in October, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of October, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35545
45644
55743
65743
75842
85941
96040
106040
116238
126337
136337
146535
156634
166634
176733
186832
196832
206832
216733
226733
236733
246733
256634
266634
276634
286535
296436
306436
316436

Chance of precipitation in October

Any precipitation

Mount Pleasant gets around 4.5 in of rain over 8.6 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 29% and peaks near 39% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
139
239
338
438
537
636
735
835
934
1033
1133
1232
1331
1429
1528
1627
1726
1825
1924
2024
2123
2223
2322
2422
2522
2623
2723
2823
2924
3024
3125

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the muggy band about 25% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
18101627373
28101627353
39101727343
49111828323
510111828303
611121929282
711122029262
812132029242
912132129232
1013142129212
1114142228202
1215152228182
1317152227171
1418162327161
1520162326151
1621162326131
1723172325121
1824172325110
1926172324100
202717232490
212817232380
223017232380
233116222380
243216222270
253316222270
263416222170
273615212170
283715212060
293815212060
303915201960
314015201960

Wind in October

Winds average 11 mph in October.

Across October, daily wind ranges from about 11 mph on the calmest days to 11 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
111light breeze
211light breeze
311light breeze
411light breeze
511light breeze
611light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze
3111light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 42 min at the start of October to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over October. Sunrise moves from 6:18 AM to 6:42 AM, and sunset from 5:59 PM to 5:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.76:185:59
211.66:195:57
311.66:195:56
411.66:205:55
511.56:215:53
611.56:225:52
711.56:225:51
811.46:235:50
911.46:245:48
1011.46:255:47
1111.36:255:46
1211.36:265:45
1311.36:275:43
1411.26:285:42
1511.26:285:41
1611.26:295:40
1711.16:305:39
1811.16:315:37
1911.16:325:36
2011.06:325:35
2111.06:335:34
2211.06:345:33
2310.96:355:32
2410.96:365:31
2510.96:375:30
2610.96:375:29
2710.86:385:28
2810.86:395:27
2910.86:405:26
3010.76:415:25
3110.76:425:24

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.07 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.54 kWh/m² in May across the year — October's 4.07 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.1Bright
184.1Bright
194.0Bright
204.0Bright
214.0Bright
224.0Moderate
234.0Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.7Moderate
313.7Moderate
Planning a trip in October

Hazard calendar for Mount Pleasant

In seasonPeak

In October, Mount Pleasant sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

Mount Pleasant 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 October a good time to visit Mount Pleasant?

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

7.3
Sightseeing
1st-best month of the year
5.6
Beach & pool
6th-best month of the year

October is one of the better times to visit Mount Pleasant for general sightseeing.

What to pack for Mount Pleasant in October

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

In October, Mount Pleasant sees daytime highs around 74°F and nights near 66°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Mount Pleasant in October

The nearest coast averages about 75°F in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 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 Mount Pleasant in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mount Pleasant 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 Mount Pleasant in October

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Mount Pleasant is worst in March — around 21 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (December, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodMar 1719 µg/m³Dec 136 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb12Moderate
Mar21Moderate
Apr12Moderate
May11Good
Jun14Moderate
Jul16Moderate
Aug14Moderate
Sep9Good
Oct6Good
Nov7Good
Dec6Good
Location & terrain

Where is Mount Pleasant?

Mount Pleasant sits at 32.8°N, 79.9°W, 10 ft above sea level, in United States. The nearest listed city is Charleston, 4.3 mi away.

Topography around Mount Pleasant

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

Within 2 miles, the terrain around Mount Pleasant has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 16 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 131 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 226 ft.

The land around Mount Pleasant is covered by trees (42%), water (20%) and wetland (20%) within 2 miles, water (44%) and trees (27%) within 10 miles, and trees (50%) and water (38%) within 50 miles.

2 miles
66 ft
10 miles
131 ft
50 miles
226 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
October weather nearby: Charleston 4.3 mi · North Charleston 7.5 mi · Hanahan 12 mi · Goose Creek 16 mi · Summerville 24 mi · Hilton Head 65 mi · Hilton Head Island 66 mi · Bluffton 70 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 Mount Pleasant (32.7941°, -79.8626°, elevation 10 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).