Saint Lucia in January
January is one of Saint Lucia's best months (rank 3 of 12): its 2 destinations average 91/100, led by Castries at 91 — 28°C and 14 rainy days — while Soufrière trails at 90 with 30 mm of rain.
#3 of 12 months for Saint Lucia · 2 destinations · updated September 2026 · climate normals from ERA5 reanalysis
Where in Saint Lucia in January
| # | Place | Type | Feels-like high | Rain | Comfort | At its best |
|---|---|---|---|---|---|---|
| 1 | Castries | Island | 28°C | 30 mm · 14 days | 91 tier S | Yes |
| 2 | Soufrière | Beach | 29°C | 30 mm · 13 days | 90 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 January is one of that place's own top three months. Feels-like highs fold in humidity, wind and sun.