Monthly weather forecast and climate
Trincomalee, Sri Lanka

What is the coldest month in Trincomalee?

January is the coldest month in Trincomalee, with an average high-temperature of 27.9°C (82.2°F) and an average low-temperature of 24.3°C (75.7°F).

How many days does it rain in Trincomalee?

In Trincomalee, Sri Lanka, during the entire year, the rain falls for 87 days and collects up to 1569mm (61.8") of precipitation.

When is the sea coldest in Trincomalee?

Month with the coldest seawater in Trincomalee is January, with an average sea temperature of 27.1°C (80.8°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

When is the sea warmest in Trincomalee?

May is the month with the warmest seawater in Trincomalee, Sri Lanka, with an average sea temperature of 30.2°C (86.4°F). The water temperature above 30°C (86°F) is arguably regarded as unpleasant. The primary purpose of entering the water - cooling down from sunshine and high temperatures - is lost.

What is the warmest month in Trincomalee?

With an average high-temperature of 34.7°C (94.5°F) and an average low-temperature of 26.4°C (79.5°F), June is the warmest month in Trincomalee, Sri Lanka.

What is the driest month in Trincomalee?

June is the month with the least rainfall in Trincomalee, Sri Lanka. Rain falls for 2 days and accumulates 26mm (1") of precipitation.

What is the rainiest month in Trincomalee?

December is the month with the most rainfall in Trincomalee, Sri Lanka. Rain falls for 16 days and accumulates 341mm (13.4") of precipitation.
Average temperature - Trincomalee, Sri Lanka
Average rainfall - Trincomalee, Sri Lanka
Average rainfall days - Trincomalee, Sri Lanka
Average sea temperature - Trincomalee, Sri Lanka

The best month for swimming (with the highest average sea temperature) is May (30.2°C).
The coldest month (with the lowest average sea temperature) is January (27.1°C).

Average daylight / Average sunshine - Trincomalee, Sri Lanka
Average UV index - Trincomalee, Sri Lanka

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

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