The weather in August in Colombo

It's hot in August in Colombo with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 25°C and 27°C.

Looking for sun? August isn’t a good month to be in Colombo. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Colombo, Sri Lanka. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 37°C in 2022, Colombo reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 27°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 19°C to a highest value of 29°C.

Water temperature

The water temperature at Colombo is 27°C this month. Nice and warm for a swim.

Rainfall amount

In August, there is an average of 210 mm of precipitation, spread over 21 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in August for Colombo

Click on any day in August to get detailed info about the usual weather on that day in Colombo. Check out the historical temperatures and precipitation over the past 10 years on this day.

1

31° / 27°

2

31° / 26°

3

31° / 26°

4

31° / 26°

5

31° / 27°

6

31° / 26°

7

31° / 27°

8

30° / 26°

9

30° / 26°

10

31° / 26°

11

31° / 26°

12

31° / 26°

13

31° / 26°

14

31° / 26°

15

31° / 26°

16

31° / 26°

17

31° / 25°

18

31° / 25°

19

31° / 26°

20

32° / 26°

21

31° / 26°

22

30° / 26°

23

31° / 25°

24

31° / 26°

25

31° / 26°

26

31° / 25°

27

31° / 26°

28

31° / 26°

29

31° / 26°

30

31° / 26°

31

31° / 26°

Start of August

The month of August starts in Colombo with hot temps, averaging around 31°C during the day and nights around 27°C.

Mid August

By mid-August, daytime temps rise to around 32°C, with nights around 26°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.

End of August

By the end of August, the average daytime temperature in Colombo is around 31°C, while nighttime temps are about 26°C. There’s a significant chance of many days with precipitation.

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UV index

The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Colombo for all months and discover the best travel time

Temperature charts

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

Daily Temperature in August in Colombo

Temperature in August in Colombo over the years

Precipitation charts

These charts show the average amount of precipitation in August 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.

Daily Precipitation in August in Colombo

Total precipitation in August in Colombo over the years

Daily UV index in August in Colombo

This chart shows the average daily UV index in August in Colombo, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

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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.