Saint Lucia in May

May is Saint Lucia's 5th-best month (rank 5 of 12): its 2 destinations average 90/100, led by Castries at 90 — 33°C and 11 rainy days — while Soufrière trails at 89 with 36 mm of rain.

#5 of 12 months for Saint Lucia · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis

🇱🇨 Saint Lucia, month by month

90/100 in May
  1. 90Jan
  2. 91Feb
  3. 92Mar
  4. 91Apr
  5. 90May
  6. 86Jun
  7. 84Jul
  8. 83Aug
  9. 82Sep
  10. 82Oct
  11. 83Nov
  12. 89Dec

Where in Saint Lucia in May

#PlaceTypeFeels-like highRainComfortAt its best
1CastriesIsland33°C37 mm · 11 days90 tier S—
2SoufrièreBeach34°C36 mm · 11 days89 tier A—

Comfort is SeasonMap's 0–100 score; each place is judged through the lens that suits it — beaches on beach weather, ski resorts on snow. "At its best" means May is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.

What's on in Saint Lucia in May

  • Saint Lucia Jazz and Arts Festival · Castries and 1 more place · 30 Apr – 10 May

Better months for Saint Lucia

March · 92/100February · 91/100April · 91/100Weakest: October · 82/100
← Saint Lucia in AprilSaint Lucia in June →Best time to visit Saint Lucia, month by monthCompare: Castries vs Soufrière in May