What is the average temperature in St. Lucia in December?

The average high is 28°C (82°F) and the average low is 24°C (75°F).

Does it rain a lot in St. Lucia in December?

On average, St. Lucia gets 14 days of rain in December with 47mm total precipitation.

Weather in St. Lucia in December

Q: What should I pack for St. Lucia in December?

Essential items for St. Lucia in December: Comfortable walking shoes, Light layers and t-shirts, Sunscreen SPF 30+.

St. Lucia, Saint Lucia averages a high of 27.6°C (81.7°F) and low of 24°C (75.2°F) in December, with 14 rain days and 10.7 hours of daily sunshine. Travel score: 75.3/100 (Good). The best time to visit St. Lucia is February.

High

28°C82°F

Low

24°C75°F

🌧️

rain days

☀️

10.7

hrs/day sunshine

💧

76%

humidity

75— Good

December in St. Lucia is warm and occasionally wet — pack an umbrella and enjoy indoor attractions too.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

What are the average temperatures in St. Lucia?

How much does it rain in St. Lucia in December?

St. Lucia receives an average of 46.6mm of rainfall across 14 rainy days in December. The annual total is 815mm.

What should I pack for St. Lucia in December?

Essentials

👟

Comfortable walking shoes

Essential for exploring the city

👕

Light layers and t-shirts

Warm weather around 28°C

🧴

Sunscreen SPF 30+

11 hours of sunshine daily

🕶️

Sunglasses

Protect your eyes from bright sun

Traveling to Saint Lucia in December?

Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.

View Saint Lucia Holidays 2026 Long Weekends Calendar

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