Basseterre weather in March

In March, Basseterre sees average daytime highs of 25°C and overnight lows near 24°C, with 20 mm of rain across 6.8 wet days and about 11.9 hours of daylight. It is the 11th-warmest and 12th-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 76% 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 Basseterre's 3rd-clearest and 7th-windiest month. For the whole year in context, see Basseterre's year-round climate.

Daytime high
25°
11th warmest
Overnight low
24°
2nd coldest
Rainfall
20 mm
6.8 wet days
Daylight
11 h 54 min
6:24 AM – 6:17 PM
Cloud cover
32%
3rd clearest
Wind
25 km/h
7th windiest
Solar energy
6.32 kWh/m²
Travel score
7.8
out of 10

Basseterre is capital of Saint Kitts and Nevis.

Density
1,995/km²
people per km²
Founded
1627

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 Basseterre 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
222524
232524
242524
252624
262624
272624
282624
292624
302624
312624

How March really feels in Basseterre

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.

Basseterre weather by month

How March compares with the rest of the year at a glance. March is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°3010.311.17.3
Feb25° / 24°217.311.47.7
Mar25° / 24°206.811.97.8
Apr26° / 25°338.512.47.3
May27° / 26°6111.912.86.4
Jun27° / 26°4710.9136.3
Jul28° / 26°7414.512.96.0
Aug28° / 26°911712.65.5
Sep28° / 26°11817.712.15.2
Oct28° / 26°12517.811.65.4
Nov27° / 26°10515.811.25.9
Dec26° / 25°5413.3116.6

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% 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 12%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
19010
29010
38911
48911
58911
69010
78911
88911
98911
108911
118911
128911
139010
148911
158911
168911
179010
188911
198911
208911
218812
228812
238812
248713
258713
268713
278713
288515
298515
308515
318515

Chance of precipitation in March

Any precipitation

Basseterre gets around 20 mm of rain over 6.8 wet days in March, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 22% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
124
224
324
424
523
623
723
822
922
1021
1121
1220
1320
1419
1519
1619
1719
1819
1919
2019
2119
2220
2321
2421
2522
2623
2724
2824
2925
3026
3126

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 91% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1196822
2196822
31106623
41106623
51116424
61116424
71116424
80116425
90116425
100116425
110116425
120116425
130116326
140116227
150116227
160106129
170106030
18096031
19085933
20085735
21075736
22065638
23065539
24055441
25055243
26055045
27044946
28044848
29044649
30044551
31044452

Wind in March

Winds average 25 km/h in March.

Across March, daily wind ranges from about 24 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
127breezy
227breezy
327breezy
426breezy
526breezy
626breezy
726breezy
826breezy
926breezy
1026breezy
1126breezy
1226breezy
1326breezy
1426breezy
1525breezy
1625breezy
1725breezy
1825breezy
1925breezy
2025breezy
2125breezy
2225breezy
2325breezy
2425breezy
2525breezy
2624breezy
2724breezy
2824breezy
2924breezy
3024breezy
3124breezy

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 6:35 AM to 6:12 AM, and sunset from 6:13 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:356:13
211.66:346:13
311.76:346:14
411.76:336:14
511.76:326:14
611.76:326:15
711.76:316:15
811.76:306:15
911.86:306:15
1011.86:296:16
1111.86:286:16
1211.86:276:16
1311.86:276:16
1411.86:266:16
1511.96:256:17
1611.96:246:17
1711.96:236:17
1811.96:236:17
1911.96:226:18
2011.96:216:18
2112.06:206:18
2212.06:196:18
2312.06:196:18
2412.06:186:18
2512.06:176:19
2612.06:166:19
2712.16:156:19
2812.16:146:19
2912.16:146:19
3012.16:136:20
3112.16:126:20

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 6.32 kWh/m².

For context, solar energy here swings from a low near 4.6 kWh/m² to a high of 6.71 kWh/m² in April across the year — March's 6.32 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
26.0Intense
36.0Intense
46.0Intense
56.1Intense
66.1Intense
76.1Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.6Intense
306.6Intense
316.6Intense
Planning a trip in March

Hazard calendar for Basseterre

In seasonPeak

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

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

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

Basseterre 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 Basseterre?

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

7.8
Sightseeing
1st-best month of the year
7.2
Beach & pool
1st-best month of the year

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

What to pack for Basseterre in March

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

In March, Basseterre sees daytime highs around 25°C and nights near 24°C. Pack sun protection. Worth having: light clothes and a windbreaker. About 7 days see rain.

sun protectionlight clothesa windbreaker

Sea temperature near Basseterre 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 at the nearest coast (about 14 km away) 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
Jan27Warm
Feb26Warm
Mar26Warm
Apr27Warm
May27Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Basseterre in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Basseterre peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 10UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Basseterre 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 Basseterre is worst in June — around 25 µg/m³ PM2.5 (moderate), about 3.6× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2225 µg/m³Dec 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar9Good
Apr11Good
May15Moderate
Jun25Moderate
Jul25Moderate
Aug21Moderate
Sep16Moderate
Oct17Moderate
Nov10Good
Dec7Good
Location & terrain

Where is Basseterre?

Basseterre sits at 17.3°N, 62.7°W, -22 m above sea level, in Saint Kitts and Nevis. The nearest listed city is Gustavia, 68 km away.

Topography around Basseterre

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

Within 3 km, the terrain around Basseterre has significant variations in elevation — a maximum elevation change of 368 m around an average of 48 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,141 m; within 80 km, large variations in elevation — a maximum elevation change of 1,090 m.

The land around Basseterre is covered by water (40%), grassland (21%) and artificial surfaces (20%) within 3 km, water (81%) within 16 km, and water (98%) within 80 km.

3 km
368 m
16 km
1,141 m
80 km
1,090 m
treesshrubsgrasslandcroplandartificial surfaceswater
March weather nearby: Gustavia 68 km · Brades 78 km · Plymouth 85 km · Philipsburg 88 km · Marigot 94 km · St. John's 96 km · Codrington 103 km · Falmouth 105 km

Saint Kitts and Nevis travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / D / G
230 V · 60 Hz
Prices
≈ 69% of US
price level, 2025
GDP per capita
$25,223
2025
Homicide rate
64.2
per 100k, 2023
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 Basseterre (17.2955°, -62.725°, elevation -22 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).