Our verdict
The best time to visit Colombo is April-May
In summer, the temperature in Colombo can rise as high as 29℃ (85℉). The weather at night in the winter can get down to temperatures as low as 7℃ (45℉).
If you want to get the most out of your time visiting Colombo, or you’re just afraid of the dark, the days in August are usually the longest between sunrise and sunset. On average it rains the most days in January, making it the wettest month of the year. Although it’s the wet season, it can often rain a little bit during the day or evening but have fine weather for a majority of the day too, so don’t let this put you off.
Find out everything you need to know about when to visit Colombo below, including detailed information about the weather and tools to help you find the best prices and book your trip.
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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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 Southern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | December to February |
| Autumn/fall | March to May |
| Winter | June to August |
| Spring | September to November |
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:
Colombo in January
- Average temperature: 21℃ (70℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 17℃ (63℉)
- Average humidity: 88%
- Average sunny days: 5 days
- Average rainfall: 160mm (6") over 25 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in January, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Colombo in February
- Average temperature: 21℃ (70℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 17℃ (62℉)
- Average humidity: 89%
- Average sunny days: 3 days
- Average rainfall: 139mm (5") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in February, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Colombo in March
- Average temperature: 20℃ (68℉)
- Average high temperature: 25℃ (77℉)
- Average low temperature: 16℃ (61℉)
- Average humidity: 88%
- Average sunny days: 4 days
- Average rainfall: 113mm (4") over 25 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in March, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Colombo in April
- Average temperature: 18℃ (65℉)
- Average high temperature: 23℃ (74℉)
- Average low temperature: 14℃ (58℉)
- Average humidity: 88%
- Average sunny days: 7 days
- Average rainfall: 72mm (3") over 19 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in April, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Colombo in May
- Average temperature: 16℃ (60℉)
- Average high temperature: 20℃ (68℉)
- Average low temperature: 12℃ (53℉)
- Average humidity: 89%
- Average sunny days: 7 days
- Average rainfall: 89mm (4") over 19 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in May, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Colombo in June
- Average temperature: 14℃ (57℉)
- Average high temperature: 19℃ (66℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 89%
- Average sunny days: 12 days
- Average rainfall: 82mm (3") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in June, make sure you pack a warm jacket or coat.
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Colombo in July
- Average temperature: 14℃ (57℉)
- Average high temperature: 19℃ (66℉)
- Average low temperature: 10℃ (50℉)
- Average humidity: 87%
- Average sunny days: 11 days
- Average rainfall: 76mm (3") over 15 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in July, make sure you pack a warm jacket or coat.
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Colombo in August
- Average temperature: 15℃ (59℉)
- Average high temperature: 21℃ (69℉)
- Average low temperature: 10℃ (51℉)
- Average humidity: 84%
- Average sunny days: 14 days
- Average rainfall: 56mm (2") over 14 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in August, make sure you pack a coat or jumper for the evenings and some light clothes for the daytime.
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Colombo in September
- Average temperature: 17℃ (62℉)
- Average high temperature: 23℃ (73℉)
- Average low temperature: 12℃ (54℉)
- Average humidity: 83%
- Average sunny days: 9 days
- Average rainfall: 76mm (3") over 16 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in September, make sure you pack a light jumper or hoodie for the evenings and some light clothes for the daytime.
Colombo in October
- Average temperature: 18℃ (65℉)
- Average high temperature: 24℃ (75℉)
- Average low temperature: 14℃ (57℉)
- Average humidity: 86%
- Average sunny days: 4 days
- Average rainfall: 117mm (5") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in October, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Colombo in November
- Average temperature: 19℃ (67℉)
- Average high temperature: 24℃ (76℉)
- Average low temperature: 15℃ (59℉)
- Average humidity: 85%
- Average sunny days: 5 days
- Average rainfall: 102mm (4") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in November, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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Colombo in December
- Average temperature: 21℃ (70℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 17℃ (62℉)
- Average humidity: 86%
- Average sunny days: 5 days
- Average rainfall: 147mm (6") over 26 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Colombo in December, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.
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