Sri Lanka weather

Read our complete guide to the weather in Sri Lanka.

Usually in June
- 30
- 25
- 6
Weather by month
Now Today
- 30
- 4
5-day forecast

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

More destinations >>

TUI: Top deals on summer & winter sun holidays

Sale

Save on summer & winter sun holidays with TUI
Book online & save with top deals & free child places
Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

Recommended for Sri Lanka

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.

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.

3.5
Jan
3.5
Feb
3.5
Mar
3
Apr
2.5
May
3
Jun
3
Jul
3
Aug
3
Sep
3
Oct
3.5
Nov
3.5
Dec

Change criteria

Max Day Temperature (°C)

31
Jan
31
Feb
32
Mar
32
Apr
31
May
30
Jun
30
Jul
30
Aug
30
Sep
30
Oct
30
Nov
30
Dec

Hours of Sunshine (daily)

8
Jan
9
Feb
9
Mar
8
Apr
6
May
6
Jun
6
Jul
6
Aug
6
Sep
6
Oct
7
Nov
7
Dec

Best time to go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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

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

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