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Colombo in December 2026: weather, temperatures and activities

Do you want to visit Colombo in December 2026? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether December is a good month to travel to Colombo, Sri Lanka.

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Is it worth visiting Colombo in December?

Check your ideal travel criteria and see if the month of December suits your plans to go to Colombo.
What matters most?
Colombo in December 2026: weather, temperatures and activities

Page summary

Colombo in December in summary
Favourable weather
Min 26°C Max 31°C 233 mm 12 day(s) 82% 35% 29°C UV 7 9.0 h/day
Best activities in December
Beach and swimmingCultural visits and heritageAnimal observationFamily and attractionsDiving and snorkelingWatersportsNature and landscapesNightlifeGastronomyWell-beingBoat trip and cruise
Practical guidelines
Very large crowds Very high prices 06:14 17:58
Hourly weather

Average weather in Colombo in December 2026

Favourable weather

The weather in Colombo in December 2026 is based on statistical data from previous years in December. This allows you to forecast the weather in December 2026. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Colombo in December

Temperatures, precipitation and monthly trends help to better understand the climate in Colombo in December.

Temperatures and rain in Colombo in December

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 Colombo in December

Seasonal normals

Seasonal normals of Colombo in December

Check the seasonal normals in Colombo in December and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
December
Weather data November December January
Outside temperature
Average temperature 28.7°C 28.5°C 28.8°C
Maximum temperature 30.4°C 30.6°C 31.3°C
Minimum temperature 27.1°C 26.4°C 26.3°C
Record maximum temperature 34.0°C
(2019)
35.0°C
(2015)
36.0°C
(2016)
Record low temperature 23.0°C
(2021)
21.0°C
(2021)
22.0°C
(2021)
Number of days at +30° 24 day(s)
(80%)
25 day(s)
(81%)
28 day(s)
(90%)
Number of days at +18° 30 day(s)
(100%)
31 day(s)
(100%)
31 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 28.6°C 27.9°C 27.6°C
Sea temperature (minimum) 27.6°C 27.0°C 26.5°C
Sea temperature (maximum) 29.8°C 29.3°C 29.1°C
Wind
Wind speed 14 km/h 16 km/h 16 km/h
Wind temperature 27.1°C 26.4°C 26.4°C
Precipitation (rain)
Precipitation 392.5 mm 232.5 mm 102.9 mm
Number of days with precipitation 26 day(s)
(87%)
22 day(s)
(71%)
13 day(s)
(42%)
Number of days with significant precipitation (greater than 5 mm) 18 day(s)
(59%)
12 day(s)
(40%)
7 day(s)
(22%)
Record precipitation in one day 102.8 mm
(2009)
129.2 mm
(2017)
86.3 mm
(2009)
Other weather data
Humidity 82% 82% 76%
Visibility 8.9 km 9.3 km 9.7 km
Cloud cover 43% 35% 25%
UV index 6 7 7
Daily sunshine 9h 9h 11h
Sunrise and sunset
Sunrise time 06h01 06h14 06h27
Sunset time 17h50 17h58 18h13
Day length 11h49 11h44 11h46
Our opinion on the climate in December
The review of Where And When fair weather favourable weather favourable weather
Activities and events

What to do in Colombo in December?

Best activities in December
Beach and swimmingCultural visits and heritageAnimal observationFamily and attractionsDiving and snorkelingWatersportsNature and landscapesNightlifeGastronomyWell-beingBoat trip and cruise
Prices monitored continuously

The best offers right now to Colombo

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

£523 per person
9 days on site With stopover(s) Wizz Air
The cheapest

London Colombo

From 21 Dec to 30 Dec 2026

£667 per person
9 days on site With stopover(s) EasyJet
The cheapest

London Colombo

From 20 Dec to 25 Dec 2026

£688 per person
5 days on site With stopover(s) EasyJet
The cheapest

London Colombo

From 2 Dec to 22 Dec 2026

£768 per person
20 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 1 Dec to 24 Dec 2026

£784 per person
23 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 12 Dec to 16 Dec 2026

£1,117 per person
4 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 11 Dec to 16 Dec 2026

£1,117 per person
5 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 6 Dec to 31 Dec 2026

£1,270 per person
25 days on site Direct flight SriLankan Airlines
The cheapest

London Colombo

From 7 Dec to 31 Dec 2026

£1,302 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.

Observed weather

What was the weather like in Colombo in December last?

Find the observed weather calendar in Colombo in December 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
24°C28°C0.3 mm
2
Clear/Sunny
24°C29°C0.0 mm
3
Patchy rain nearby
23°C29°C0.0 mm
4
Patchy rain nearby
24°C28°C4.3 mm
5
Patchy rain nearby
24°C28°C1.8 mm
6
Patchy rain nearby
23°C29°C3.9 mm
7
Clear/Sunny
23°C30°C1.9 mm
8
Partly Cloudy
24°C30°C1.0 mm
9
Patchy rain nearby
24°C30°C0.3 mm
10
Patchy rain nearby
24°C30°C3.0 mm
11
Light rain shower
24°C28°C2.6 mm
12
Light rain shower
24°C29°C7.3 mm
13
Patchy rain nearby
23°C29°C1.5 mm
14
Patchy rain nearby
23°C30°C0.9 mm
15
Clear/Sunny
22°C29°C0.0 mm
16
Patchy rain nearby
23°C29°C1.7 mm
17
Patchy light rain
24°C30°C2.8 mm
18
Patchy rain nearby
24°C30°C0.5 mm
19
Partly Cloudy
24°C30°C0.2 mm
20
Light rain shower
23°C29°C0.5 mm
21
Partly Cloudy
23°C30°C0.2 mm
22
Partly Cloudy
23°C29°C0.0 mm
23
Clear/Sunny
22°C30°C0.0 mm
24
Clear/Sunny
23°C31°C0.0 mm
25
Clear/Sunny
23°C30°C0.0 mm
26
Clear/Sunny
22°C29°C0.0 mm
27
Partly Cloudy
23°C30°C0.1 mm
28
Partly Cloudy
23°C30°C0.0 mm
29
Patchy rain nearby
23°C30°C0.1 mm
30
Patchy rain nearby
23°C29°C0.4 mm
31
Light rain shower
24°C28°C2.0 mm
Nearby

Where to go near Colombo in December?

Compare cities and destinations near Colombo in December to find another travel stop, a nearby alternative or a logical continuation of your stay in Colombo.

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Every month

Best time to visit Colombo month by month

Compare the weather in Colombo across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Colombo 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 Colombo in December, which places this month 4th out of 12.

Expect an average of 31°C during the day and 26°C at night, with about 233 mm of precipitation spread over 12 rainy days.

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

Expect about 9.0 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Beach and swimming, Cultural visits and heritage, Animal observation and Family and attractions. 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 95/100. Book your accommodation and transportation well in advance.

Yes: prices are at level Very high prices, with a price index of 98/100, including flights and accommodation. Booking early makes a real difference.

The most favorable months in Colombo are: January, February, March 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.
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