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
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Castries | Island | 32°C | 30 mm · 8 days | 91 tier S | — |
| 2 | Soufrière | Beach | 33°C | 26 mm · 8 days | 91 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