Vieux Fort weather in May

In May, Vieux Fort sees average daytime highs of 29°C and overnight lows near 26°C, with 43 mm of rain across 11.6 wet days and about 12.6 hours of daylight. It is the 6th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 35% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 42 min by month's end. Set against the rest of the year, May is Vieux Fort's 9th-clearest and 7th-windiest month. For the whole year in context, see Vieux Fort's year-round climate.

Daytime high
29°
6th warmest
Overnight low
26°
7th coldest
Rainfall
43 mm
11.6 wet days
Daylight
12 h 36 min
5:41 AM – 6:19 PM
Cloud cover
58%
9th clearest
Wind
22 km/h
7th windiest
Solar energy
6.56 kWh/m²
Travel score
5.5
out of 10

Vieux Fort is town in Saint Lucia.

Founded
1750

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical May day in Vieux Fort reaches about 29°C in the afternoon and slips back to 26°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, May runs on par with April and on par with June.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12825
22825
32825
42825
52825
62825
72825
82925
92925
102925
112925
122925
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232926
242926
252926
262926
272926
282926
292926
302926
312926

How May really feels in Vieux Fort

Once humidity and wind are folded in, May averages 2 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
2
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Vieux Fort weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°3311.811.36.6
Feb27° / 24°218.211.57.0
Mar27° / 24°26911.96.8
Apr28° / 25°3610.312.36.2
May29° / 26°4311.612.65.5
Jun29° / 26°7215.312.84.8
Jul29° / 26°9820.312.74.5
Aug29° / 26°11921.712.54.2
Sep29° / 26°11719.412.14.2
Oct29° / 26°13621.211.74.2
Nov28° / 25°10718.811.44.8
Dec28° / 25°431311.26.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 46%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35743
45743
55644
65644
75644
85644
95446
105446
115446
125347
135446
145446
155446
165446
175446
185446
195446
205446
215446
225446
235347
245446
255347
265347
275248
285149
295149
305050
314951

Chance of precipitation in May

Any precipitation

Vieux Fort gets around 43 mm of rain over 11.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 38% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
131
232
332
432
533
633
733
834
934
1035
1135
1235
1336
1436
1537
1637
1738
1838
1939
2039
2140
2240
2341
2441
2542
2642
2743
2843
2944
3044
3145

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
121781
220791
320791
419801
518811
617821
716831
815841
913861
1012871
1111872
1210882
139892
148893
157903
167903
176904
186904
196904
205905
215905
225905
235905
245905
255896
265896
275896
285896
295896
304906
314906

Wind in May

Winds average 22 km/h in May.

Across May, daily wind ranges from about 22 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
222breezy
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2222breezy
2322breezy
2422breezy
2522breezy
2622breezy
2722breezy
2822breezy
2922breezy
3023breezy
3123breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:47 AM to 5:39 AM, and sunset from 6:15 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:476:15
212.55:466:16
312.55:466:16
412.55:456:16
512.55:456:16
612.55:446:17
712.55:446:17
812.65:446:17
912.65:436:17
1012.65:436:17
1112.65:436:18
1212.65:426:18
1312.65:426:18
1412.65:426:18
1512.65:416:19
1612.65:416:19
1712.65:416:19
1812.75:416:20
1912.75:406:20
2012.75:406:20
2112.75:406:20
2212.75:406:21
2312.75:406:21
2412.75:396:21
2512.75:396:22
2612.75:396:22
2712.75:396:22
2812.75:396:23
2912.75:396:23
3012.75:396:23
3112.75:396:23

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.56 kWh/m².

For context, solar energy here swings from a low near 4.95 kWh/m² to a high of 6.61 kWh/m² in April across the year — May's 6.56 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.6Intense
56.6Intense
66.6Intense
76.6Intense
86.6Intense
96.6Intense
106.6Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.6Intense
176.6Intense
186.6Intense
196.6Intense
206.6Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.4Intense
Planning a trip in May

Hazard calendar for Vieux Fort

In seasonPeak

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

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

Vieux Fort's rainy season runs June–November, when most of the year's rain falls.

Vieux Fort sees seasonal dust haze (June–July), heaviest in June.

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

Is May a good time to visit Vieux Fort?

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

5.5
Sightseeing
6th-best month of the year
6.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit Vieux Fort for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Vieux Fort in May

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

In May, Vieux Fort sees daytime highs around 29°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear and a windbreaker. About 12 days see rain.

light clothessun protectionrain geara windbreaker

Sea temperature near Vieux Fort in May

The nearest coast averages about 28°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in September at about 29°C and coldest in February near 27°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr27Warm
May28Warm
Jun28Warm
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Vieux Fort in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Vieux Fort peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 20UV 14Dec 12UV 8
UV index (midday)Level
Jan10Very high
Feb12Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Vieux Fort in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Vieux Fort is worst in June — around 32 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (January, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1831 µg/m³Jan 112 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar14Moderate
Apr17Moderate
May21Moderate
Jun32Moderate
Jul26Moderate
Aug21Moderate
Sep15Moderate
Oct18Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is Vieux Fort?

Vieux Fort sits at 13.7°N, 61.0°W, 0 m above sea level, in Saint Lucia. The nearest listed city is Soufriere, 19 km away.

SoufriereCastriesGros Islet

Topography around Vieux Fort

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

Within 3 km, the terrain around Vieux Fort has only modest variations in elevation — a maximum elevation change of 205 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 648 m; within 80 km, large variations in elevation — a maximum elevation change of 1,190 m.

The land around Vieux Fort is covered by water (74%) within 3 km, water (75%) and trees (22%) within 16 km, and water (92%) within 80 km.

3 km
205 m
16 km
648 m
80 km
1,190 m
treesgrasslandartificial surfaceswater
May weather nearby: Soufriere 19 km · Castries 32 km · Gros Islet 39 km · Kingstown 69 km · Calliaqua 70 km · Ducos 96 km · Fort-de-France 100 km · Le Lamentin 100 km

Saint Lucia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / G
240 V · 50 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$14,746
2025
Homicide rate
39
per 100k, 2023
Road deaths
29.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Roman Catholic 62%Protestant 26%none 6%other Christian 3%

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 Vieux Fort (13.7167°, -60.95°, elevation 0 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).