Trincomalee Weather and Climate: A Comprehensive Guide
Trincomalee has relatively stable weather with very warm temperatures.
It also has a notably wet climate with much precipitation.
Let’s explore the climate details in depth to provide you with a complete overview.
Average maximum day and minimum night temperature
In Trincomalee temperatures are generally consistent throughout the year. Average maximum daytime temperatures range from a very warm 34°C in June, the warmest time of the year, to a comfortable 28°C during cooler months like January.
At night, temperatures typically drop to an average of around 25°C during these months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Trincomalee experiences significant rainfall throughout the year, averaging 1325 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, November receives heavy rainfall, averaging 317 mm of precipitation, recorded across 16 rainy days. In contrast, the drier season, June brings less rainfall, with 20 mm over 2 rainy days. For more details, please visit our Trincomalee Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
While the amount of sunshine in Trincomalee varies throughout the year, all seasons offer their own charm. Enjoy up to 9.1 hours of daily sun in March, and experience slightly darker atmosphere in November, with about 5.6 hours of daily sunlight. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year ranges from 26°C in August to 28°C in February.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Trincomalee.
The city experiences its highest humidity in December, reaching 80%. In July, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The mean wind speed over the year ranges from 2 m/s in March and April to 5 m/s in June.
The mean monthly wind speed over the year (meters per second)
broken clouds and rain broken clouds and chance of rain broken clouds and thunderForecast for Trincomalee
1 m/s
1 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Trincomalee in Sri Lanka
The best time to visit is during the drier months: March, May, June, July and August.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in October, November and December.
June has an average maximum temperature of 34°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 28°C.
November tops the wettest month list with 317 mm of rainfall.
June is the driest month with 20 mm of precipitation.
March is the sunniest month with an average of 273 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
