What's on in Castries (Saint Lucia), Saint Lucia through the year

Castries, Saint Lucia has 7 curated events through the year — 5 festivals, 1 season and 1 hazard season. The ones to plan around: Saint Lucia Jazz and Arts Festival (April) and Saint Lucia Carnival (June). September is its peak-crowd month.

Updated September 2026 · every event curated and sourced · dates for 2026 where they are announced, the usual window where they are not

Best time to visit Castries (Saint Lucia): weather, crowds and notes →

Castries (Saint Lucia) events and crowds by month

MonthWhat startsCrowds
JanuaryShoulder season
FebruaryIndependence DayBusy
MarchBusy
AprilSargassum on the Atlantic side, Saint Lucia Jazz and Arts FestivalBusy
MayBusy
JuneHurricane season, Saint Lucia CarnivalShoulder season
JulyBusy
AugustShoulder season
SeptemberPeak crowds
OctoberJounen KweyolBusy
NovemberARC finish at Rodney BayBusy
DecemberBusy

January in Castries (Saint Lucia)

Castries (Saint Lucia) weather in January

Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month

Nothing new starts in January.

February in Castries (Saint Lucia)

Castries (Saint Lucia) weather in February

Busy — Independence Day

  • Festival

    Independence Day

    22 FebNational holidayCrowded

    Flag raising and school parades on 22 February, with a week of concerts and church services around it. Government offices shut and the island is in blue, gold, white and black. Source ↗

March in Castries (Saint Lucia)

Castries (Saint Lucia) weather in March

Busy — school holidays in 2 of the markets that fill it, one of its best months for weather

Nothing new starts in March.

April in Castries (Saint Lucia)

Castries (Saint Lucia) weather in April

Busy — Saint Lucia Jazz and Arts Festival

  • Season

    Sargassum on the Atlantic side

    1 Apr – 30 Sep · usuallySargassum season

    The windward coast around Vieux Fort and Micoud takes the weed and the smell that comes with it. The Caribbean side, from Castries down to Soufriere, is largely spared.

  • Festival

    Saint Lucia Jazz and Arts Festival

    30 Apr – 10 MayMajor festivalCrowdedBook early

    The main stage sits on the causeway at Pigeon Island, with free fringe shows around Castries and Soufriere for a week and a half. Rodney Bay is where to be based, and the north-coast rooms go first. Source ↗

May in Castries (Saint Lucia)

Castries (Saint Lucia) weather in May

Busy — Saint Lucia Jazz and Arts Festival

Nothing new starts in May.

Still on: Sargassum on the Atlantic side (1 Apr – 30 Sep (usually)), Saint Lucia Jazz and Arts Festival (30 Apr – 10 May)

June in Castries (Saint Lucia)

Castries (Saint Lucia) weather in June

Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month

  • Hazard

    Hurricane season

    1 Jun – 30 Nov

    Far enough south to be missed most years, but Tomas arrived at the end of October 2010 and took the roads and the water supply with it. August to early October is the stretch that matters. Source ↗

  • Festival

    Saint Lucia Carnival

    1–22 JulCrowdedBook early

    Saint Lucia moved its carnival off Lent and into July. J'ouvert starts before dawn in paint and oil, then two days of Parade of the Bands close Castries in the third week of the month. Source ↗

Still on: Sargassum on the Atlantic side (1 Apr – 30 Sep (usually))

July in Castries (Saint Lucia)

Castries (Saint Lucia) weather in July

Busy — Saint Lucia Carnival, school holidays in 3 of the markets that fill it

Nothing new starts in July.

Still on: Sargassum on the Atlantic side (1 Apr – 30 Sep (usually)), Hurricane season (1 Jun – 30 Nov), Saint Lucia Carnival (1–22 Jul)

August in Castries (Saint Lucia)

Castries (Saint Lucia) weather in August

Shoulder season — school holidays in 3 of the markets that fill it, an ordinary month

Nothing new starts in August.

Still on: Sargassum on the Atlantic side (1 Apr – 30 Sep (usually)), Hurricane season (1 Jun – 30 Nov)

September in Castries (Saint Lucia)

Castries (Saint Lucia) weather in September

Peak crowds — travelers describe it as peak season, school holidays in 2 of the markets that fill it

Nothing new starts in September.

Still on: Sargassum on the Atlantic side (1 Apr – 30 Sep (usually)), Hurricane season (1 Jun – 30 Nov)

October in Castries (Saint Lucia)

Castries (Saint Lucia) weather in October

Busy — Jounen Kweyol

  • Festival

    Jounen Kweyol

    25 OctMajor festivalCrowded

    Creole Heritage Month runs all October and lands on Creole Day, the last Sunday, when four host communities cook all day and the radio switches to Kweyol. Getting to the host villages takes planning. Source ↗

Still on: Hurricane season (1 Jun – 30 Nov)

November in Castries (Saint Lucia)

Castries (Saint Lucia) weather in November

Busy — ARC finish at Rodney Bay

  • Festival

    ARC finish at Rodney Bay

    25 Nov – 22 DecMajor festivalCrowdedBook early

    Two hundred-odd yachts finish the Atlantic crossing at Rodney Bay through the first three weeks of December, each met on the dock with rum at whatever hour it lands. The marina runs on crew time. Source ↗

Still on: Hurricane season (1 Jun – 30 Nov)

December in Castries (Saint Lucia)

Castries (Saint Lucia) weather in December

Busy — ARC finish at Rodney Bay, school holidays in 3 of the markets that fill it

Nothing new starts in December.

Still on: ARC finish at Rodney Bay (25 Nov – 22 Dec)

Around the world