Mount Pleasant weather in April

In April, Mount Pleasant sees average daytime highs of 69°F and overnight lows near 62°F, with 3.0 in of rain across 7 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 66°F in the first days to 71°F by the end. The sky is clear or mostly clear about 48% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 12 min by month's end. Set against the rest of the year, April is Mount Pleasant's 2nd-clearest and 5th-windiest month. For the whole year in context, see Mount Pleasant's year-round climate.

Daytime high
69°
7th warmest
Overnight low
62°
6th coldest
Rainfall
3.0 in
7 wet days
Daylight
12 h 48 min
5:55 AM – 6:44 PM
Cloud cover
45%
2nd clearest
Wind
12 mph
5th windiest
Solar energy
6.1 kWh/m²
Travel score
7.0
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 66°F in the first days to 71°F by the end.

A typical April day in Mount Pleasant reaches about 69°F in the afternoon and slips back to 62°F overnight — a 7°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 74°F. Set against its neighbours, April runs about 6°F warmer than March and about 6°F cooler than May.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16658
26658
36659
46759
56759
66759
76760
86760
96760
106860
116860
126861
136861
146961
156961
166962
176962
186962
196962
207063
217063
227063
237063
247164
257164
267164
277164
287165
297265
307265

How April really feels in Mount Pleasant

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 10th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75842
85941
95941
105941
115941
126040
136040
146139
156139
166238
176337
186337
196337
206436
216436
226535
236535
246535
256535
266535
276535
286535
296535
306634

Chance of precipitation in April

Any precipitation

Mount Pleasant gets around 3.0 in of rain over 7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
127
227
327
426
526
626
726
825
925
1025
1124
1224
1324
1424
1524
1624
1723
1823
1923
2023
2123
2223
2323
2422
2522
2622
2722
2822
2922
3022

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
146262450
245252550
344242660
444242670
543232770
642222780
742222890
8412128100
9402129100
10402029110
11392029120
12382030120
13372030130
14362031140
15352031140
16342031150
17332031150
18322032160
19322032160
20312032171
21302032171
22292032181
23282032191
24272031202
25262031212
26252031222
27242030232
28232030253
29222030263
30211929283

Wind in April

Winds average 12 mph in April.

Across April, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over April. Sunrise moves from 6:15 AM to 5:39 AM, and sunset from 6:33 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:156:33
212.36:146:34
312.46:126:35
412.46:116:35
512.46:106:36
612.56:086:37
712.56:076:37
812.56:066:38
912.66:046:39
1012.66:036:40
1112.66:026:40
1212.76:006:41
1312.75:596:42
1412.75:586:42
1512.85:576:43
1612.85:556:44
1712.85:546:45
1812.95:536:45
1912.95:526:46
2012.95:516:47
2113.05:496:48
2213.05:486:48
2313.05:476:49
2413.15:466:50
2513.15:456:51
2613.15:446:51
2713.25:436:52
2813.25:416:53
2913.25:406:54
3013.25:396:54

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.1 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 — April's 6.1 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.6Bright
35.6Bright
45.7Bright
55.7Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
126.0Bright
136.0Intense
146.0Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in April

Hazard calendar for Mount Pleasant

In seasonPeak

None of Mount Pleasant's seasonal hazards are active in April. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 April a good time to visit Mount Pleasant?

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

7.0
Sightseeing
3rd-best month of the year
4.0
Beach & pool
7th-best month of the year

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

What to pack for Mount Pleasant in April

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

In April, Mount Pleasant sees daytime highs around 69°F and nights near 62°F. Pack sun protection. About 7 days see rain.

sun protection

Sea temperature near Mount Pleasant in April

The nearest coast averages about 66°F in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).