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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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

When is the best time to go to Sri Lanka?

The best time to go to Sri Lanka (Colombo) is January, February, March, November and December based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

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Max Day Temperature (°C)

  • 31°C maximum daytime temperature in January in Sri Lanka (Colombo)31
    Jan
  • 31°C maximum daytime temperature in February in Sri Lanka (Colombo)31
    Feb
  • 32°C maximum daytime temperature in March in Sri Lanka (Colombo)32
    Mar
  • 32°C maximum daytime temperature in April in Sri Lanka (Colombo)32
    Apr
  • 31°C maximum daytime temperature in May in Sri Lanka (Colombo)31
    May
  • 30°C maximum daytime temperature in June in Sri Lanka (Colombo)30
    Jun
  • 30°C maximum daytime temperature in July in Sri Lanka (Colombo)30
    Jul
  • 30°C maximum daytime temperature in August in Sri Lanka (Colombo)30
    Aug
  • 30°C maximum daytime temperature in September in Sri Lanka (Colombo)30
    Sep
  • 30°C maximum daytime temperature in October in Sri Lanka (Colombo)30
    Oct
  • 30°C maximum daytime temperature in November in Sri Lanka (Colombo)30
    Nov
  • 30°C maximum daytime temperature in December in Sri Lanka (Colombo)30
    Dec

Hours of Sunshine (daily)

  • Jan
  • Feb
  • Mar
  • Apr
  • May
  • Jun
  • Jul
  • Aug
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Best time to go for the weather

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 - Fotolia.com
Beach with palm trees in Sri Lanka © Anton Gvozdikov - Fotolia.com

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.

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)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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