Hilton Head weather in April

In April, Hilton Head sees average daytime highs of 72°F and overnight lows near 60°F, with 2.7 in of rain across 6.8 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 69°F in the first days to 75°F by the end. The sky is clear or mostly clear about 46% 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 Hilton Head's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Hilton Head's year-round climate.

Daytime high
72°
7th warmest
Overnight low
60°
6th coldest
Rainfall
2.7 in
6.8 wet days
Daylight
12 h 48 min
5:59 AM – 6:47 PM
Cloud cover
47%
3rd clearest
Wind
10 mph
3rd windiest
Solar energy
6.03 kWh/m²
Travel score
7.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 69°F in the first days to 75°F by the end.

A typical April day in Hilton Head reaches about 72°F in the afternoon and slips back to 60°F overnight — a 12°F spread between the day's warmth and the night's chill. On most days the high lands between 65°F and 78°F. Set against its neighbours, April runs about 6°F warmer than March and about 7°F cooler than May.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16957
26957
36957
46957
57058
67058
77058
87058
97158
107159
117159
127159
137159
147260
157260
167260
177260
187260
197361
207361
217361
227362
237362
247462
257462
267463
277463
287563
297564
307564

How April really feels in Hilton Head

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.

Hilton Head 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° / 46°3.38.510.14.7
Feb61° / 48°3.28.410.85.1
Mar66° / 53°3.17.911.86.5
Apr72° / 60°2.76.812.87.3
May79° / 68°2.48.513.67.1
Jun84° / 74°4.615.314.15.0
Jul87° / 77°4.816.613.94.1
Aug85° / 77°6.118.913.24.1
Sep82° / 73°4.613.212.25.7
Oct75° / 64°3.87.611.27.4
Nov67° / 54°2.46.310.36.9
Dec61° / 48°3.38.69.95.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% 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 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35446
45545
55545
65545
75644
85644
95644
105743
115743
125842
135842
145842
156040
166040
176139
186139
196337
206337
216436
226436
236535
246535
256535
266436
276436
286535
296535
306436

Chance of precipitation in April

Any precipitation

Hilton Head gets around 2.7 in of rain over 6.8 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 23% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
326
426
526
626
725
825
924
1024
1123
1223
1323
1423
1523
1623
1723
1823
1922
2022
2122
2222
2322
2422
2522
2622
2722
2821
2921
3021

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
150271940
249262050
348262150
448252160
547252260
646252370
745242470
844242480
943232590
1042232690
11412326100
12412226100
13402227110
14392227120
15382228120
16372228130
17362228130
18352229140
19342229140
20342229141
21332229151
22322229161
23312229162
24302229172
25292229182
26282229183
27262230193
28252130203
29242130214
30232130234

Wind in April

Winds average 10 mph in April.

Across April, daily wind ranges from about 10 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
110light breeze
210light breeze
310light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light 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 6:19 AM to 5:44 AM, and sunset from 6:37 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:196:37
212.36:176:37
312.46:166:38
412.46:156:39
512.46:136:39
612.56:126:40
712.56:116:41
812.56:106:41
912.66:086:42
1012.66:076:43
1112.66:066:43
1212.76:046:44
1312.76:036:45
1412.76:026:46
1512.86:016:46
1612.85:596:47
1712.85:586:48
1812.95:576:48
1912.95:566:49
2012.95:556:50
2112.95:546:51
2213.05:526:51
2313.05:516:52
2413.05:506:53
2513.15:496:53
2613.15:486:54
2713.15:476:55
2813.25:466:56
2913.25:456:56
3013.25:446:57

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.03 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 6.48 kWh/m² in May across the year — April's 6.03 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.8Bright
95.8Bright
105.8Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.4Intense
Planning a trip in April

Hazard calendar for Hilton Head

In seasonPeak

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

Hilton Head 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 Hilton Head?

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

7.3
Sightseeing
2nd-best month of the year
5.2
Beach & pool
7th-best month of the year

April is one of the better times to visit Hilton Head for general sightseeing.

What to pack for Hilton Head in April

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

In April, Hilton Head sees daytime highs around 72°F and nights near 60°F. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

Sea temperature near Hilton Head 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 10 mi away) is warmest in August at about 84°F and coldest in February near 59°F.

It's comfortable for a long swim from Apr 23 to Nov 17 — about 6.9 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan60Cool
Feb59Cool
Mar61Cool
Apr66Cool
May74Refreshing
Jun80Warm
Jul83Tropical
Aug84Tropical
Sep82Warm
Oct76Warm
Nov68Refreshing
Dec63Cool

UV index in Hilton Head 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 Hilton Head peaks around July 11 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 11UV 10Dec 19UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar7High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Hilton Head 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 Hilton Head is worst in March — around 25 µg/m³ PM2.5 (moderate), about 3.4× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1723 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb12Moderate
Mar25Moderate
Apr14Moderate
May14Moderate
Jun15Moderate
Jul17Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec7Good
Location & terrain

Where is Hilton Head?

Hilton Head sits at 32.2°N, 80.8°W, 10 ft above sea level, in United States. The nearest listed city is Hilton Head Island, 1.9 mi away.

Topography around Hilton Head

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

Within 2 miles, the terrain around Hilton Head has only modest variations in elevation — a maximum elevation change of 105 ft around an average of 26 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 128 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 249 ft.

The land around Hilton Head is covered by trees (53%) and water (21%) within 2 miles, water (53%) and trees (25%) within 10 miles, and trees (49%) and water (35%) within 50 miles.

2 miles
105 ft
10 miles
128 ft
50 miles
249 ft
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Hilton Head Island 1.9 mi · Bluffton 6.2 mi · Wilmington Island 20 mi · Savannah 22 mi · Pooler 30 mi · Hinesville 55 mi · Charleston 62 mi · Statesboro 62 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 Hilton Head (32.2163°, -80.7526°, 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).