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
| Month | What starts | Crowds |
|---|---|---|
| January | — | Shoulder season |
| February | Independence Day | Busy |
| March | — | Busy |
| April | Sargassum on the Atlantic side, Saint Lucia Jazz and Arts Festival | Busy |
| May | — | Busy |
| June | Hurricane season, Saint Lucia Carnival | Shoulder season |
| July | — | Busy |
| August | — | Shoulder season |
| September | — | Peak crowds |
| October | Jounen Kweyol | Busy |
| November | ARC finish at Rodney Bay | Busy |
| December | — | Busy |
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 holidayCrowdedFlag 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 seasonThe 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 earlyThe 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 NovFar 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 earlySaint 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 festivalCrowdedCreole 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 earlyTwo 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)