SeasonScore
St. Lucia, Saint Lucia
Photo: Mjr74 · CC0

Saint Lucia

St. Lucia in December

🌧️ Rainy season

Warm, humid and often rainy.

🎒 Pack: compact umbrella or rain jacket · quick-dry fabrics

Best months: Mar (8.8), Jan (8.6), Feb (8.6)

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Why December scores 8.3What goes into the score

How it works
🌡️ 29° / 24°C🌧️ 160 mm💧 dew pt 22°🍃 PM2.5 8
  • Weather comfort7.3
    • ✓Warm (29°C highs / 24°C lows)
    • !Very humid/sticky (dew point 22.2°C)
    • !Wet: ~160 mm rain, ~0 heavy-rain days
  • Air quality9.5
    • ✓Good (within WHO guideline) (PM2.5 ~8 µg/m³)
  • Seasonal hazards10.0
    • ·No notable seasonal hazards
  • Safety baseline7.5
    • ·Increased caution
Compare monthsPut December side by side with another month
DecMar
Score8.3 Very good8.8 Excellent
Season🌧️ Rainy season☀️ Dry season
High / low29° / 24°29° / 24°
Rain160 mm75 mm
Humiditydew pt 22°dew pt 21°
PM2.58 µg/m³8 µg/m³

Typical-month data: NASA POWER (MERRA-2 reanalysis) 2015–2024 (modelled, not a forecast). Temperatures: St Lucia weather-station normals. Rainfall: St Lucia weather-station normals (national met service).

Holidays & crowdsDecember 2026

Long weekend

There's at least one long weekend. Domestic travel picks up and popular spots get busier over those days.

  • National Day 12–14 Dec · 3 days off in a row
  • Christmas Day 25–27 Dec · 3 days off in a row

National holidays only; regional holidays and school breaks aren't included. Source: holidays (open-source public-holiday calendar).

Explore St. LuciaEvents, sights, food & souvenirs

Check event dates locally

Volcanic Eastern Caribbean island known for the twin Pitons, rainforest hikes, a drive-in volcano and quiet bays.

Events in December
National Day (St Lucy's Day)Every year13 December every year

The island's patron saint day, with a Festival of Lights the night before.

Why go: A public holiday.

Where: Nationwide, especially Castries

Coming up later

Independence DayEvery year22 February every year

Marks independence from Britain in 1979, with ceremonies and events.

Why go: A public holiday.

Where: Nationwide

Saint Lucia CarnivalDate variesUsually July, with the main parades on a Monday and Tuesday

Costumed bands parade through the capital to soca and calypso.

Why go: Book accommodation early.

Where: Castries

Jounen Kwéyòl (Creole Day)Date variesUsually the last Sunday in October

A celebration of Creole language, food, music and dress.

Why go: Good for trying traditional food.

Where: Selected communities around the island

Plan this tripTickets, data and transfers for St. Lucia

Airport transfer Kiwitaxi

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