Average monthly water temperature in Colombo, Sri Lanka

On this page you find the mean water temperature over the year in Colombo (Colombo District), Sri Lanka. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.

In Colombo, water temperatures are consistently warm throughout the year. The warmest month is July, with an average water temperature of 28°C (82°F).

The coolest month is August, with an average temperature of 26°C (79°F). This makes Colombo a year-round destination for swimming and other water-based activities.

Colombo 3-Day Forecast

10-Day Forecast

More climate data for Colombo

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Colombo climate overview or explore weather in Sri Lanka.

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