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Best time to visit Colombo, Sri Lanka

Our verdict

The best time to visit Colombo is June-September

Based on a number of criteria such as the weather conditions, cost of flights and hotels, peak travel seasons and much more, June-September is the best time to go to Colombo.

In summer, temperatures can reach as high as 33℃ (91℉) in the middle of the day. In the winter months, it can get down to as low as 22℃ (72℉) at night.

The days are longest in Colombo in January, so if you want to see the sights during the day when the sun is up for the longest time, it’s best to visit around that time of year. The wet season in Colombo falls around June, so if you prefer the dryer weather, you should look to visit in January instead.

Keep reading to find out more detailed information about the seasons and climate in Colombo, as well as our favourite tools to help you find the best options for transport, accommodation, and much more.

Warmest month

April

Least rainfall

January

Most daylight

January

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Where to?
Colombo

Colombo seasons

Before you continue, it’s important to know when the seasons are in Colombo as they might be different to yours depending on where in the world you’re travelling from. Colombo is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Colombo

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Colombo for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Colombo climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Colombo for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Colombo in January

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 31℃ (88℉)
  • Average low temperature: 23℃ (73℉)
  • Average humidity: 73%
  • Average sunny days: 17 days
  • Average rainfall: 40mm (2") over 12 days
17 days
of pure sunshine
12 days
of showers or rain

What to pack: If you’re heading to Colombo in January, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Colombo in February

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 32℃ (89℉)
  • Average low temperature: 23℃ (74℉)
  • Average humidity: 74%
  • Average sunny days: 13 days
  • Average rainfall: 47mm (2") over 14 days
13 days
of pure sunshine
14 days
of showers or rain

What to pack: If you’re heading to Colombo in February, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Colombo in March

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 32℃ (89℉)
  • Average low temperature: 25℃ (76℉)
  • Average humidity: 76%
  • Average sunny days: 8 days
  • Average rainfall: 66mm (3") over 20 days
8 days
of pure sunshine
20 days
of showers or rain

What to pack: If you’re heading to Colombo in March, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Colombo in April

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 32℃ (89℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 77%
  • Average sunny days: 3 days
  • Average rainfall: 137mm (5") over 25 days
3 days
of pure sunshine
25 days
of showers or rain

What to pack: If you’re heading to Colombo in April, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Colombo in May

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 31℃ (87℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 81%
  • Average sunny days: 1 days
  • Average rainfall: 306mm (12") over 29 days
1 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Colombo in May, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Colombo in June

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 83%
  • Average sunny days: 0 days
  • Average rainfall: 319mm (13") over 29 days
0 days
of pure sunshine
29 days
of showers or rain

What to pack: If you’re heading to Colombo in June, make sure you pack t-shirts and light clothing.


Colombo in July

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 25℃ (78℉)
  • Average humidity: 83%
  • Average sunny days: 0 days
  • Average rainfall: 234mm (9") over 30 days
0 days
of pure sunshine
30 days
of showers or rain

What to pack: If you’re heading to Colombo in July, make sure you pack t-shirts and light clothing.


Colombo in August

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 83%
  • Average sunny days: 0 days
  • Average rainfall: 276mm (11") over 30 days
0 days
of pure sunshine
30 days
of showers or rain

What to pack: If you’re heading to Colombo in August, make sure you pack t-shirts and light clothing.


Colombo in September

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 29℃ (85℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 81%
  • Average sunny days: 1 days
  • Average rainfall: 206mm (8") over 27 days
1 days
of pure sunshine
27 days
of showers or rain

What to pack: If you’re heading to Colombo in September, make sure you pack t-shirts and light clothing.

Colombo in October

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 80%
  • Average sunny days: 2 days
  • Average rainfall: 237mm (9") over 27 days
2 days
of pure sunshine
27 days
of showers or rain

What to pack: If you’re heading to Colombo in October, make sure you pack t-shirts and light clothing.


Colombo in November

  • Average temperature: 27℃ (81℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 79%
  • Average sunny days: 4 days
  • Average rainfall: 191mm (8") over 26 days
4 days
of pure sunshine
26 days
of showers or rain

What to pack: If you’re heading to Colombo in November, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Colombo in December

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 30℃ (86℉)
  • Average low temperature: 24℃ (75℉)
  • Average humidity: 79%
  • Average sunny days: 8 days
  • Average rainfall: 148mm (6") over 21 days
8 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to Colombo in December, make sure you pack t-shirts and shorts.. It stays warm all day and night.


Top FAQs

The hottest month of the year in Colombo is usually April, where temperatures tend to rise to around 32℃ (89℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Colombo is generally around January. The dry season often coincides with cooler weather, so you should check the temperatures in January first to make sure it’s still a good time to go.
The rainiest time of year in Colombo is generally around June, although the wetter season can sometimes extend a few months either side of June too.
If you want to get the most out of your time visiting Colombo, or if you're just afraid of the dark, the days in January are usually the longest between sunrise and sunset.

Colombo map

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