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

#PlaceTypeFeels-like highRainComfortAt its best
1CastriesIsland28°C30 mm · 14 days91 tier SYes
2SoufrièreBeach29°C30 mm · 13 days90 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.

Better months for Saint Lucia

More about January