Trincomalee weather in December (Trincomalee District, Sri Lanka)

Looking to travel to Trincomalee in December? Wondering if it's the right time to visit? Browse this page for a comprehensive overview of the weather conditions for that month.

In December, Trincomalee generally has high temperatures and heavy rainfall. Daytime temperatures hover around 29°C, while nights can cool down to about 25°C.

Trincomalee in December falls under the rainy season with heavy rainfall, averaging around 283 mm for the month. Rain is expected on roughly 16 days.

The area enjoys a balanced 171 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Trincomalee. February generally stands out with the best circumstances. While November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Trincomalee climate page with graphs.

 

Trincomalee, monthly averages in December

Min TemperatureMin Temperature 25°C  
Max TemperatureMax Temperature 29°C  
Water TemperatureWater Temperature 27°C  
Chance of RainChance of Rain 52%  
PrecipitationPrecipitation 283 mm  
Rainy daysRainy days 16 days  
HumidityHumidity 80%  
WindspeedWindspeed 14 km/h  
SunshineSunshine 171 hours  
Percentage SunshinePercentage Sunshine  

Where to go in Sri Lanka in December

Find out more about the weather in Sri Lanka in December and which places have the best weather conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in Trincomalee in December?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool. However, there's a good chance of rain, so bring a raincoat just in case. With a water temperature of around 27°C this is a great month to swim so bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in December.

Swimming
7/10
Cycling
7/10
Walking
7/10
Camping
6/10
Outdoor sports
7/10

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Trincomalee.

Our site offers climate and forecast data for every country in the world. Are you going to Sri Lanka? On this website you can find historical weather averages for many cities in Sri Lanka. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.