Sri Lanka weather

Read our complete guide to the weather in Sri Lanka.

Below are the temperatures expected today at popular destinations in Sri Lanka. Select a destination to compare today's forecast with average weather conditions.

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The weather guide for Sri Lanka (Colombo) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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Sri Lanka weather overview

The climate of Sri Lanka is consistently warm and sunny and conditions rarely grow chilly, even at night.

In the lowland areas around the coast, temperatures are much higher and humidity can make evenings rather clammy, although sea breezes keep daytimes fairly fresh.

Expect rain on this island at any time of the year: rainfall is most intense in the southwest from April to June and from October to November.

Beach with palm trees in Sri Lanka © Anton Gvozdikov -
Beach with palm trees in Sri Lanka © Anton Gvozdikov -

Rain tends to fall mainly in the afternoons and can be accompanied by thunderstorms.

The driest conditions are found in the northeast which has only one main rainy season (from October to January).

What to pack for Sri Lanka weather

You will need only light clothes for a trip to Sri Lanka.

More about Sri Lanka

Which is the hottest month in Sri Lanka?

The hottest time of year in Colombo, Sri Lanka is normally April. Expect maximum daytime temperatures to reach 32°C with very high heat and humidity.

Which month has the most rain in Sri Lanka?

In terms of rainfall, May is usually the wettest month in Colombo, Sri Lanka with 382mm on average. There are normally 14 days in May with some rain.

When is it sunniest in Sri Lanka?

The sunniest time of year in Colombo, Sri Lanka is normally March with bright sunshine on average for 72% of daylight hours; that's 9 hours of sunshine per day.

When is the sea warmest in Sri Lanka?

The sea is usually at its warmest in Colombo, Sri Lanka in April when the water temperature reaches 30°C.

What is the flight time to Sri Lanka from the UK?

The flight time to Sri Lanka from the UK is typically 11 hours.

What is the time difference between Sri Lanka and the UK?

The time difference between Sri Lanka and the UK is GMT+5.5 hours.

What is the main language spoken in Sri Lanka?

The main languages spoken in Sri Lanka are Sinhala, Tamil and English.

Learn a language for Sri Lanka with Busuu*, Lingoda* and Rocket Languages*.

What is the currency in Sri Lanka?

The currency in Sri Lanka is the Sri Lankan Rupee (LKR).

Send money to Sri Lanka with XE Money Transfers*, World Remit* and Wise*.

Which plugs are used in Sri Lanka?

Sri Lanka uses electrical plug type G (230 Volts) - the same as the UK.

Which side of the road do they drive on in Sri Lanka?

They drive on the left side of the road in Sri Lanka.

Do you need a visa for Sri Lanka?

Yes, UK passport holders do need a visa to enter Sri Lanka.

Check Sri Lanka visa requirements for all passport holders with VisaHQ* and*.

Compare Sri Lanka weather with the USA

Below the Sri Lanka weather chart shows average maximum daytime temperature for Sri Lanka (Colombo) and the USA (Washington).

Maximum daytime temperature (°C)

Sri Lanka (Colombo)
USA (Washington)

Metric (°C / mm)  |  Imperial (°F / inches)

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