St Lucia · Month comparison

December vs May

May ranks #1 overall vs December at #9. Shoulder-season sweet spot — Jazz Festival ends and rates fall 35-40%.

St Lucia December — Festival of Lights lanterns glowing along Castries waterfront

December

#9 of 12 months

Strong option

Festival of Lights December 13 and peak Christmas pricing across luxury resorts.

  • ↑National Day December 13 Festival of Lights — lantern parades island-wide
  • ↑Dry season firms up by mid-month with reliable sunshine returning
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
FactorDecemberMay
Weather score
8
8
Value score
1
7
Crowd score
2
7
Events score
8
7
Atmosphere
9
8
Avg high temp29°C30°C
Monthly rain132mm102mm
Daily sunshine8hrs8hrs

December trade-offs

  • ↓Christmas/NYE minimum stays of 7-10 nights at luxury resorts
  • ↓Direct UK flights frequently sell out by August

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 →December in detail →May in detail →
Scores compare months within St Lucia. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →