Weather in Trincomalee in December
Trincomalee, Sri Lanka averages a high of 27.4°C (81.3°F) and low of 24.2°C (75.6°F) in December, with 20 rain days and 9 hours of daily sunshine. Travel score: 64.4/100 (Good). The best time to visit Trincomalee is March.
High
27°C81°F
Low
24°C76°F
🌧️
20
rain days
☀️
9
hrs/day sunshine
💧
82%
humidity
64— Good
December in Trincomalee is warm and very rainy — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Trincomalee?
How much does it rain in Trincomalee in December?
Trincomalee receives an average of 268.2mm of rainfall across 20 rainy days in December. The annual total is 1369.8mm.
What should I pack for Trincomalee in December?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 27°C
🧥
Waterproof jacket
Frequent rain expected (20 rainy days)
☔
Umbrella
Essential for the rainy season
👢
Waterproof shoes
Keep your feet dry in wet conditions
🧴
Sunscreen SPF 30+
9 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Traveling to Sri Lanka in December?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31