Charlotte Amalie weather in March

In March, Charlotte Amalie sees average daytime highs of 25°C and overnight lows near 24°C, with 21 mm of rain across 5.9 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 72% of the time in March, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Charlotte Amalie's 3rd-clearest and 7th-windiest month. For the whole year in context, see Charlotte Amalie's year-round climate.

Daytime high
25°
11th warmest
Overnight low
24°
2nd coldest
Rainfall
21 mm
5.9 wet days
Daylight
11 h 54 min
6:33 AM – 6:26 PM
Cloud cover
32%
3rd clearest
Wind
24 km/h
7th windiest
Solar energy
6.17 kWh/m²
Travel score
7.9
out of 10

Charlotte Amalie is capital and largest city of the United States Virgin Islands.

Density
6,369/km²
people per km²
Founded
1666

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical March day in Charlotte Amalie reaches about 25°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 26°C. Set against its neighbours, March runs on par with February and on par with April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12524
22524
32524
42524
52524
62524
72524
82524
92524
102524
112524
122524
132524
142524
152524
162524
172524
182524
192524
202524
212524
222624
232624
242624
252624
262624
272624
282624
292624
302624
312624

How March really feels in Charlotte Amalie

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Charlotte Amalie weather by month

How March compares with the rest of the year at a glance. March is the 11th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°288.7117.5
Feb25° / 24°206.611.47.8
Mar25° / 24°215.911.97.9
Apr26° / 25°357.812.47.4
May27° / 26°751312.96.2
Jun28° / 26°5711.813.16.1
Jul28° / 26°8015.5135.8
Aug28° / 27°1021712.65.1
Sep28° / 27°13317.712.14.8
Oct28° / 26°1271811.65.3
Nov27° / 26°11916.411.15.7
Dec26° / 25°4711.510.96.9

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 12%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
28911
38911
48911
58812
68713
78713
88812
98812
108812
118812
128911
138911
148911
158911
168911
178911
188911
198911
208812
218812
228812
238713
248713
258713
268614
278614
288614
298614
308515
318515

Chance of precipitation in March

Any precipitation

Charlotte Amalie gets around 21 mm of rain over 5.9 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 19% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
220
319
419
518
618
717
817
917
1017
1117
1217
1317
1417
1517
1617
1718
1818
1919
2020
2120
2221
2321
2422
2522
2622
2723
2823
2923
3023
3123

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 54% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11116226
21126126
31126126
42135827
52135827
62135827
72135827
82135827
92135728
102135728
112135728
122135728
131135729
141125829
151125730
161115731
171115533
181105534
19195535
20195337
21185338
22185140
23175141
24175043
25074944
26074845
27064647
28064548
29064449
30064351
31164251

Wind in March

Winds average 24 km/h in March.

Across March, daily wind ranges from about 22 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
125breezy
225breezy
325breezy
425breezy
525breezy
625breezy
725breezy
825breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1424breezy
1524breezy
1624breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3022breezy
3122breezy

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 36 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over March. Sunrise moves from 6:45 AM to 6:21 AM, and sunset from 6:21 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:456:21
211.66:446:22
311.66:436:22
411.76:436:22
511.76:426:23
611.76:416:23
711.76:406:23
811.76:406:23
911.76:396:24
1011.86:386:24
1111.86:376:24
1211.86:366:24
1311.86:366:25
1411.86:356:25
1511.96:346:25
1611.96:336:26
1711.96:326:26
1811.96:326:26
1911.96:316:26
2011.96:306:26
2112.06:296:27
2212.06:286:27
2312.06:276:27
2412.06:276:27
2512.06:266:28
2612.06:256:28
2712.16:246:28
2812.16:236:28
2912.16:226:28
3012.16:216:29
3112.16:216:29

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.17 kWh/m².

For context, solar energy here swings from a low near 4.46 kWh/m² to a high of 6.63 kWh/m² in April across the year — March's 6.17 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
76.0Bright
86.0Bright
96.0Intense
106.0Intense
116.1Intense
126.1Intense
136.1Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in March

Hazard calendar for Charlotte Amalie

In seasonPeak

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

Charlotte Amalie sits in the Atlantic hurricane belt; the season peaks August–October.

Charlotte Amalie's rainy season runs May–May, when most of the year's rain falls.

Charlotte Amalie sees seasonal dust haze (July), heaviest in July.

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

Is March a good time to visit Charlotte Amalie?

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

7.9
Sightseeing
1st-best month of the year
7.3
Beach & pool
1st-best month of the year

March is one of the better times to visit Charlotte Amalie for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Charlotte Amalie in March

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

In March, Charlotte Amalie sees daytime highs around 25°C and nights near 24°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 6 days see rain.

sun protectionlight clothesa windbreaker

Sea temperature near Charlotte Amalie in March

The nearest coast averages about 26°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 29°C and coldest in February near 26°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Charlotte Amalie in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Charlotte Amalie peaks around April 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 13UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Charlotte Amalie 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 Charlotte Amalie is worst in July — around 24 µg/m³ PM2.5 (moderate), about 4.5× the cleanest month (January, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1124 µg/m³Jan 15 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb7Good
Mar7Good
Apr9Good
May14Moderate
Jun24Moderate
Jul24Moderate
Aug20Moderate
Sep15Moderate
Oct15Moderate
Nov8Good
Dec5Good
Location & terrain

Where is Charlotte Amalie?

Charlotte Amalie sits at 18.3°N, 64.9°W, 6 m above sea level, in U.S. Virgin Islands. The nearest listed city is Road Town, 34 km away.

Road TownSaint Croix

Topography around Charlotte Amalie

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Charlotte Amalie.

Within 3 km, the terrain around Charlotte Amalie has significant variations in elevation — a maximum elevation change of 454 m around an average of 89 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 471 m; within 80 km, significant variations in elevation — a maximum elevation change of 515 m.

The land around Charlotte Amalie is covered by trees (52%) and water (29%) within 3 km, water (90%) within 16 km, and water (95%) within 80 km.

3 km
454 m
16 km
471 m
80 km
515 m
treesgrasslandartificial surfaceswater
March weather nearby: Road Town 34 km · Saint Croix 71 km · Fajardo 76 km · Humacao 97 km · Carolina 108 km · Trujillo Alto 114 km · Caguas 119 km · Guaynabo 125 km

U.S. Virgin Islands travel facts

Power plugs
Type A / B
110 V · 60 Hz
Prices
≈ 89% of US
price level, 2022
GDP per capita
$44,321
2022
Safe drinking water
99%
of population, 2024
Homicide rate
49.9
per 100k, 2012
Income group
High
World Bank

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 Charlotte Amalie (18.3419°, -64.9307°, elevation 6 m), 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).