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 January, 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 Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Colombo - and find the best time to visit.
Colombo 3-Day Forecast
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Colombo climate overview or explore weather in Sri Lanka.
Popular this month
Where to go in August - average daytime high across popular destinations.
Colombo
30°C (86°F) Negombo30°C (86°F) Mirissa29°C (84°F) Unawatuna29°C (84°F) Hikkaduwa29°C (84°F) Galle29°C (84°F) Kandy
29°C (84°F) Nuwara Eliya28°C (82°F) 
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