Sri Lanka weather in January

In January, popular resorts in Sri Lanka (Colombo, Galle, Negombo) average 29°C by day and 22°C at night, and the sea is about 28°C. On average 75 mm of rain falls during the month.

That is 1°C warmer than in December, and in February days average 30°C.

It is hot: ideal beach and swimming weather. The sea is warm and pleasant for swimming.

Warmest resorts in Sri Lanka in January

PlaceDayNightSeaRain
Puttalam29°C22°C28°C56 mm
Chilaw29°C22°C28°C61 mm
Colombo29°C22°C28°C75 mm
Negombo29°C22°C28°C75 mm
Katunayaka29°C22°C28°C75 mm
Hendala29°C22°C28°C75 mm
Welisara29°C22°C28°C75 mm
Kalutara29°C23°C27°C89 mm
Bentota29°C23°C27°C89 mm
Beruwala29°C23°C27°C89 mm
Panadura29°C23°C27°C89 mm
Ja Ela29°C22°C28°C75 mm

Sri Lanka weather in other months

See also

FAQ

Is it warm in Sri Lanka in January?

In January, popular resorts in Sri Lanka (Colombo, Galle, Negombo) average 29°C by day and 22°C at night, and the sea is about 28°C. On average 75 mm of rain falls during the month. It is hot: ideal beach and swimming weather.

What is the sea temperature in Sri Lanka in January?

About 28°C on average. The warmest water is in Colombo (28°C).

Where is it warmest in Sri Lanka in January?

The warmest place is Puttalam (29°C by day), followed by Chilaw (29°C) and Colombo (29°C).

Does it rain in Sri Lanka in January?

On average 75 mm of rain falls in the month. It is a fairly wet month, so pack a jacket.

Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.