Soufrière weather in May

May in Soufrière: sweltering, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Soufrière🇱🇨 Saint Lucia · Lesser Antilles · Beach89
  1. 89Jan
  2. 90Feb
  3. 91Mar
  4. 90Apr
  5. 89May
  6. 85Jun
  7. 83Jul
  8. 82Aug
  9. 81Sep
  10. 81Oct
  11. 82Nov
  12. 88Dec

#5 of 12 months in Soufrière · #235 of 1413 destinations to visit in May · comfort 89/100 (tier A)

Days
31°C
Nights
26°C
Wet days
11
Sun
11.6 h
Humidity
73%
Daylight
13 h
Soufrière, Saint Lucia
Photo: Simon Hurry · Pexels

Traveller notes on Soufrière in May

Notes from nearby Castries (16 km away)

Soufrière doesn't have its own notes for May yet — these are about Castries, close enough to share the season.

May is the last month of the dry season here, which runs December through May, and regulars call the handover to the wet months an unremarkable one - the same hot days and nights with occasional showers, storms that come in fast and leave just as quickly. Our row backs that: 37.3mm across 11.4 days is a real but modest total. Air is 30.5C reading as 33C, though at 72.4 percent humidity it is milder than the number implies, and they credit the constant wind off the ocean, which our column carries at a genuine 24.1 kph. Nights hold 24.9C, the sea 28C. Prices ease and booking gets easier as the dry season's crowds thin out. The record: 11.7 hours of sun and AQI 48.
TheHandoverIsUnremarkable · May · 1 month ago · about Castries · Read more on Tripadvisor ↗

Other months in Soufrière

St. Lucia's forum is upfront that September sits at the heart of hurricane season, though posters noted the island's position on the belt's southern edge means it's rarely directly affected. Around Soufrière specifically, rainforest storms can turn genuinely intense but blow through fast, often leaving a rainbow behind - hot, humid, sunny and breezy is the day-to-day baseline. One early-September visitor described surprisingly manageable heat with mostly sunny days and just a little rain, and several posters pointed to reduced rates and thinner crowds as the real upside of visiting this time of year.
StLuciaWestCoastRegular · September · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe March as beautiful and squarely in the dry season - hot, sunny, clear blue skies with balmy trade winds and calm seas, one of the drier months of the year overall. Posters are careful to note this doesn't mean rain-free: Soufriere specifically is called out as wetter than the north of the island, a real local microclimate effect from its position near the Pitons, so an occasional heavy shower remains possible even in the generally dry March window. One visitor who spent three weeks in the area during February-March described wonderful weather overall, with only a handful of heavy showers across the whole stay.
Tripadvisor community · March · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Soufrière's card on the map.

Soufrière climate normals — May

Daytime high31°C / 88°F🔥 sweltering
Nighttime low26°C / 78°F
Feels like (high)34°C / 93°F
Sea temperature28°C / 82°F♨️ bath-warm
Rainfall36 mm / 1.4 in🌦 some rain
Rainy days11 days
Humidity73%💧 humid
Dew point23°C / 74°F
Sunshine11.6 h/day
Daylight12.8 h
Wind26 km/h / 16 mph
Air quality (US AQI)48🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Soufrière in May

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Shoulder seasonan ordinary month(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Soufrière's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherSoufrière's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Soufrière in May

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Festival

    Saint Lucia Jazz and Arts Festival

    25 Apr – 12 May · usuallyMusic festivalBook early

    Ten days of music staged around the island at the end of the dry season, with side events reaching the west coast villages. It is the one time outside winter that the south of the island books out. Source ↗

What's on around the world in May →

Nearby, and something's on

Within 300 km of Soufrière — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Soufrière?

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Soufrière in May — FAQ

Is May a good time to visit Soufrière?
May in Soufrière: sweltering, a little rain, with clean air — an excellent time to visit. It ranks #5 of 12 months for Soufrière on SeasonMap's comfort score (89/100).
What is the weather like in Soufrière in May?
In May, Soufrière averages a daily high of 31.1°C and a low of 25.7°C, with about 35.7 mm of rain over roughly 10.9 rainy days.
What is the air quality in Soufrière in May?
Soufrière has a mean US Air Quality Index of about 48 in May.

Within 300 km: Castries' Saint Lucia Jazz and Arts Festival on 30 Apr – 10 May, and Bridgetown's Hawksbill nesting around 1 May – 31 Oct.