Saint Lucia in May

May is Saint Lucia's 5th-best month (rank 5 of 12): its 2 destinations average 91/100, led by Castries at 91 — 32°C and 8 rainy days — while Soufrière trails at 91 with 26 mm of rain.

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

Where in Saint Lucia in May

#PlaceTypeFeels-like highRainComfortAt its best
1CastriesIsland32°C30 mm · 8 days91 tier S
2SoufrièreBeach33°C26 mm · 8 days91 tier S

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

Seasons in force

Better months for Saint Lucia

More about May