Hanahan weather in March

In March, Hanahan sees average daytime highs of 68°F and overnight lows near 48°F, with 3.3 in of rain across 8.5 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 8th-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 38% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of March to 12 h 18 min by month's end. Set against the rest of the year, March is Hanahan's 5th-clearest and 1st-windiest month. For the whole year in context, see Hanahan's year-round climate.

Daytime high
68°
8th warmest
Overnight low
48°
5th coldest
Rainfall
3.3 in
8.5 wet days
Daylight
11 h 42 min
6:37 AM – 6:22 PM
Cloud cover
54%
5th clearest
Wind
8 mph
1st windiest
Solar energy
4.75 kWh/m²
Travel score
6.7
out of 10

Hanahan is city in Berkeley County, South Carolina, United States of America.

Density
650/km²
people per km²

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

Temperature in March

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 March day in Hanahan reaches about 68°F in the afternoon and slips back to 48°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 57°F and 79°F. Set against its neighbours, March runs about 6°F warmer than February and about 7°F cooler than April.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16545
26545
36545
46646
56646
66646
76646
86746
96746
106747
116747
126747
136847
146848
156848
166848
176948
186949
196949
206949
216949
227050
237050
247050
257051
267151
277151
287151
297152
307252
317252

How March really feels in Hanahan

Once humidity and wind are folded in, March 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

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

Hanahan weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan59° / 40°3.28.310.14.8
Feb62° / 42°3.3810.85.5
Mar68° / 48°3.38.511.76.7
Apr75° / 56°3.17.812.87.3
May82° / 64°3.41013.76.2
Jun87° / 71°5.816.414.14.0
Jul89° / 74°6.218.7143.2
Aug88° / 74°6.818.713.23.6
Sep84° / 68°5.213.112.25.3
Oct76° / 58°3.87.811.27.3
Nov68° / 47°2.66.910.36.9
Dec61° / 42°3.589.95.5

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 13% of March, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25149
35248
45248
55248
65347
75347
85248
95347
105248
115248
125248
135248
145248
155248
165248
175248
185149
195248
205149
215149
225149
235149
245149
255149
265248
275248
285248
295248
305149
315248

Chance of precipitation in March

Any precipitation

Hanahan gets around 3.3 in of rain over 8.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
428
528
627
727
827
926
1026
1126
1226
1325
1425
1525
1625
1725
1826
1926
2026
2126
2227
2327
2427
2527
2627
2727
2827
2928
3028
3128

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the dry band about 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1781291
2781291
3791290
4791290
5781390
6781390
7781390
8771490
9771490
10761590
11761590
12761590
13751690
14751690
157416100
167416100
177416100
187416100
197217101
207117111
217117111
227117111
237017121
247017121
256917122
266817132
276718132
286718132
296618142
306618142
316319153

Wind in March

Winds average 8 mph in March, the windiest month of the year.

Across March, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
147light breeze
157light breeze
167light breeze
177light breeze
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297light breeze
307light breeze
317light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 12 min at the start of March to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over March. Sunrise moves from 6:56 AM to 6:17 AM, and sunset from 6:10 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:566:10
211.36:556:11
311.36:546:12
411.36:536:13
511.46:516:14
611.46:506:14
711.46:496:15
811.56:486:16
911.56:466:17
1011.56:456:18
1111.66:446:18
1211.66:436:19
1311.66:416:20
1411.76:406:21
1511.76:396:21
1611.76:376:22
1711.86:366:23
1811.86:356:24
1911.96:336:24
2011.96:326:25
2111.96:316:26
2212.06:296:27
2312.06:286:27
2412.06:276:28
2512.16:256:29
2612.16:246:30
2712.16:226:30
2812.26:216:31
2912.26:206:32
3012.26:186:32
3112.36:176:33

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.75 kWh/m².

For context, solar energy here swings from a low near 2.57 kWh/m² to a high of 6.36 kWh/m² in May across the year — March's 4.75 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.3Bright
44.3Bright
54.4Bright
64.4Bright
74.5Bright
84.5Bright
94.6Bright
104.6Bright
114.6Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in March

Hazard calendar for Hanahan

In seasonPeak

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

Hanahan 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 March a good time to visit Hanahan?

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

6.7
Sightseeing
4th-best month of the year
3.7
Beach & pool
8th-best month of the year

March is a reasonable time to visit Hanahan for sightseeing.

What to pack for Hanahan in March

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

In March, Hanahan sees daytime highs around 68°F and nights near 48°F. Worth packing: rain gear and sun protection. About 9 days see rain.

rain gearsun protection

Sea temperature near Hanahan in March

The nearest coast averages about 61°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 mi away) is warmest in August at about 83°F and coldest in February near 59°F.

It's comfortable for a long swim from Apr 25 to Nov 14 — about 6.7 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan60Cool
Feb59Cool
Mar61Cool
Apr66Cool
May73Refreshing
Jun80Warm
Jul83Tropical
Aug83Tropical
Sep81Warm
Oct75Refreshing
Nov67Cool
Dec63Cool

UV index in Hanahan in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March 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 Hanahan 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 Hanahan in March

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Hanahan 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 Hanahan?

Hanahan sits at 32.9°N, 80.0°W, 52 ft above sea level, in United States. The nearest listed city is Goose Creek, 4.3 mi away.

Topography around Hanahan

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

Within 2 miles, the terrain around Hanahan has only modest variations in elevation — a maximum elevation change of 89 ft around an average of 36 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 187 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 256 ft.

The land around Hanahan is covered by trees (45%) and artificial surfaces (30%) within 2 miles, trees (60%) within 10 miles, and trees (57%) and water (31%) within 50 miles.

2 miles
89 ft
10 miles
187 ft
50 miles
256 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Goose Creek 4.3 mi · North Charleston 5.0 mi · Charleston 11 mi · Summerville 11 mi · Mount Pleasant 12 mi · Hilton Head 65 mi · Hilton Head Island 65 mi · Bluffton 68 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 Hanahan (32.9185°, -80.022°, elevation 52 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).