St Lucia · Month comparison

March vs May

May ranks #1 overall vs March at #6. Shoulder-season sweet spot — Jazz Festival ends and rates fall 35-40%.

St Lucia March — Marigot Bay turquoise water with anchored yachts

March

#6 of 12 months

Best match

Peak dry season continues with reliable sea conditions and US spring-break crossover.

  • ↑Reliable sunshine and lowest humidity of the year
  • ↑Marigot Bay yacht traffic peaks — easy boat charters
St Lucia May — lush rainforest valley below the Pitons after morning rain

May

#1 of 12 months

Best match

Shoulder-season sweet spot — Jazz Festival ends and rates fall 35-40%.

  • ↑Jade Mountain and Sugar Beach drop rates significantly from April peaks
  • ↑Mango season begins — roadside stalls from Castries to Vieux Fort
FactorMarchMay
Weather score
10
8
Value score
3
7
Crowd score
3
7
Events score
6
7
Atmosphere
9
8
Avg high temp29°C30°C
Monthly rain71mm102mm
Daily sunshine9hrs8hrs

March trade-offs

  • ↓US spring-break demand adds pressure to Rodney Bay all-inclusives
  • ↓Easter timing can push rates a tier higher when it lands in March

May trade-offs

  • ↓Afternoon showers begin returning to the rainforest interior
  • ↓Some boutique villas reduce service days mid-month
See all 12 months for St Lucia →March in detail →May in detail →
Scores compare months within St Lucia. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →