The climate of Colombo

The current climate in Colombo features temperatures ranging from a high of 33°C to a low of 31°C throughout the year. The average yearly temperature is around 32°C. At night, temperatures in the colder months average around 22°C and in the warmer months around 26°C.

Average temperatures and precipitation

This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for Colombo, Sri Lanka.

Temperature records

The highest temperature recorded in Colombo in recent years was 38°C in April 2023. The lowest daytime temperature recorded was 22°C in November 2018.

Rainfall amount

On average, Colombo receives 3899 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.

Best time to visit Colombo?

The best time to visit Colombo for mild to warm weather is January up to March, July and August. You might get some rain, but the temperatures are just right to explore Colombo.

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Climate Table of Colombo

The climate table of Colombo shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 32 33 33 33 32 32 31 31 31 31 31 31
Temp. min (°C) 23 24 23 25 26 27 27 26 25 25 24 24
Precipitation
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Precipitation (mm) 106 137 119 354 567 294 137 210 450 608 576 341
UV Index 8 9 9 9 7 8 7 8 8 8 7 7

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

Temperature charts

These charts display the average temperatures in Colombo, Sri Lanka. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Average Temperature per Month in Colombo

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Yearly Temperature in Colombo

Precipitation charts

These charts show the average amount of precipitation in Colombo, Sri Lanka. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Average Precipitation per Month in Colombo

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Total Yearly Precipitation in Colombo

UV index chart

This chart shows the average UV index per month in Colombo, Sri Lanka. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

Average UV Index per Month in Colombo

Weather experiences in Colombo

The weather in Colombo is rated an average of 4 out of 5 stars by 2 visitors. Have you been to Colombo? Share your weather experience to help other visitors.

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was here in May Weather experience:Good

There were a few showers, but overall it was beautiful, warm and with lots of sunshine. Ideal for a relaxing vacation.

– This text is automatically translated to English

was here in December Weather experience:Good

In the evening, however, the rain stopped. The humidity was high but bearable. A good place for lovers of warm weather.

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Average weather in Colombo by month

Click on a month below to see detailed weather info for Colombo. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.