Trincomalee weather
At 12:45 AM local time it was partly cloudy and 26°C (78°F). Light rain for 3 of the next 24 hours (under 1 mm/h, 1.4 mm total) — cloudy, but fine to be out. Best months for weather: Jan–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Trincomalee, Eastern Province, Sri Lanka.
Current conditions
- Clouds
- 64%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 3 of the next 24 hours (under 1 mm/h, 1.4 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jan–SepOff season Oct–Dec
About Trincomalee weather
Is it raining in Trincomalee right now?
No. It’s partly cloudy and 26° right now. Light rain for 3 of the next 24 hours (under 1 mm/h, 1.4 mm total) — cloudy, but fine to be out.
What’s the weather like in Trincomalee this week?
Over the next 7 days, expect highs of 29–31° and lows of 24–25°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Sunday.
Has it been raining in Trincomalee lately?
In the past 7 days, Trincomalee had 6 rainy days and 108.4 mm of rain in total.
What should I pack for Trincomalee?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Trincomalee weather by month
When is the best time to visit Trincomalee?
Based on weather alone, the best time to visit Trincomalee is Jan–Sep, according to NASA's 2001–2025 climate averages. Oct–Dec tends to be the least pleasant. Average highs run from 27°C (81°F) in January to 32°C (89°F) in August.
What is the rainiest month in Trincomalee?
November is the wettest month, with about 327 mm (12.9 in) of rain on average. June is the driest, with about 29 mm (1.1 in).
What is the hottest month in Trincomalee?
August is the warmest, with average highs of 32°C (89°F) and lows of 26°C (78°F). January is the coolest, with highs of 27°C (81°F) and lows of 24°C (76°F).
Does Trincomalee have a rainy season?
Yes. Oct–Dec is the rainy season (150 mm or more a month), while Jun–Aug is usually dry (under 60 mm).
How warm is the sea in Trincomalee?
The sea is warmest in April at about 30°C (87°F) and coolest in January at about 28°C (82°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months