Best time to go

Sri Lanka in December 2026: weather, activities and where to go

Would you like to travel to Sri Lanka in December 2026? Find out about the usual weather conditions at that time, possible activities, and the best regions or cities to help you determine whether December matches the best time to visit Sri Lanka.

Custom search

Where to go to Sri Lanka in December according to your preferences?

Check your ideal travel criteria and see if the month of December is a good time to travel to Sri Lanka, with the most suitable destinations.
What matters most?
Sri Lanka in December in summary

Page summary

Sri Lanka in December in summary
Hourly weather

Average weather in Sri Lanka in December 2026

Compare the most frequent weather conditions in major cities of Sri Lanka in December. These statistical data come from climatological normals over several years.

Colombo
From 1st to 31 December 2026
favourable weather Detail
Climate

Climate of Sri Lanka in December

Analyze the temperatures and weather trends of the cities of Sri Lanka in December, then provide the climate summary for the period.

Weather charts in Sri Lanka in December

Temperatures and rain in Colombo in December

Average daily weather and comparison with other months of the year.
More details

Average daily weather

Temperatures and rain day by day in December.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of December is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Sri Lanka in December

City map

Where to go to Sri Lanka in December?

Compare cities in the country by weather, activities, crowding or prices to quickly identify the best places to stay.

Map where to go in December - Sri Lanka
Map where to go in December: Sri Lanka
Caption
Prices monitored continuously

The best offers right now to Sri Lanka

Each map is a real return flight offered from London, with its dates, airline and price. Choose one to find it on Skyscanner, or start your own search just below.

The cheapest

London Colombo

From 3 Dec to 12 Dec 2026

£524 per person
9 days on site With stopover(s) Wizz Air
The cheapest

London Colombo

From 21 Dec to 30 Dec 2026

£668 per person
9 days on site With stopover(s) EasyJet
The cheapest

London Colombo

From 20 Dec to 25 Dec 2026

£689 per person
5 days on site With stopover(s) EasyJet
The cheapest

London Colombo

From 2 Dec to 22 Dec 2026

£770 per person
20 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 1 Dec to 24 Dec 2026

£785 per person
23 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 12 Dec to 16 Dec 2026

£1,119 per person
4 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 11 Dec to 16 Dec 2026

£1,119 per person
5 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 6 Dec to 31 Dec 2026

£1,272 per person
25 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 7 Dec to 31 Dec 2026

£1,304 per person
24 days on site Direct flight SriLankan Airlines
Searching for the best deals…

Round-trip prices per person, recently collected from Skyscanner. Each offer has its own collection date and fares change constantly: the price displayed on Skyscanner is authoritative.

Activities and events

What to do in Sri Lanka in December?

Best activities in December
NightlifeCultural visits and heritageDiving and snorkelingWatersportsGastronomyWell-being
Possible activities in December
Boat trip and cruiseNature and landscapesAnimal observationBeach and swimming
Observed weather

What was the weather like in December?

Choose a city of Sri Lanka to view the day-by-day weather calendar in December 2025, with observed conditions, temperatures and rain.

Regions

Weather in December by region

Access the detailed weather and climate for each region of Sri Lanka for the month of December.

Month by month

Best time to go to Sri Lanka: month by month

Find the weather conditions in Sri Lanka for each month of the year and choose the most suitable time.

Frequently asked questions

Travel to to Sri Lanka in December: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Sri Lanka in December, which places this month 9th out of 12.

Expect an average of 31°C during the day and 20°C at night, with about 546 mm of precipitation spread over 18 rainy days.

Conditions are best around Colombo, Trincomalee and Galle. At the regional level, it is North Central Province of Sri Lanka, Northwestern Sri Lanka and South Coast of Sri Lanka that stand out this month. On the other hand, the weather is more troublesome on the Batticaloa, Pottuvil and Arugam Bay side.

Yes: the sea is 28°C on average in December, a pleasant temperature for swimming.

This month is particularly suited to these activities: Nightlife, Cultural visits and heritage, Diving and snorkeling and Watersports. These are the ones for which the conditions on site are most favourable.

Yes: this month is in Very large crowds, with a visitor index of 84/100. Book your accommodation and transportation well in advance.

Yes: prices are at level Very high prices, with a price index of 91/100, including flights and accommodation. Booking early makes a real difference.

The most favorable months in Sri Lanka are: January, February, March, May, June, July, August, September and December. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
Top