The weather in April in Colombo

It's hot in April in Colombo with an average temperature of 33°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 23°C and 26°C.

Looking for sun? April 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 April 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 38°C in 2023, Colombo reached the highest temperature in April over the past 10 years. The lowest daytime temperature in this month was 26°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 4°C to a highest value of 30°C.

Water temperature

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

Rainfall amount

In April, there is an average of 354 mm of precipitation, spread over 26 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in April for Colombo

Click on any day in April 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

33° / 26°

2

33° / 26°

3

33° / 25°

4

33° / 25°

5

33° / 25°

6

33° / 25°

7

33° / 25°

8

32° / 25°

9

33° / 25°

10

32° / 25°

11

33° / 25°

12

33° / 25°

13

33° / 25°

14

33° / 24°

15

33° / 25°

16

33° / 25°

17

33° / 25°

18

33° / 23°

19

33° / 23°

20

33° / 24°

21

33° / 24°

22

33° / 25°

23

33° / 25°

24

33° / 26°

25

33° / 25°

26

33° / 25°

27

33° / 26°

28

33° / 26°

29

32° / 25°

30

33° / 25°

Start of April

The month of April starts in Colombo with hot temps, averaging around 33°C during the day and nights around 26°C.

Mid April

By mid-April, daytime temps stay steady at around 33°C, with nights around 25°C. There’s a high chance of precipitation during this time.

End of April

By the end of April, the average daytime temperature in Colombo is around 33°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 10 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 April 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 April in Colombo

Temperature in April in Colombo over the years

Precipitation charts

These charts show the average amount of precipitation in April 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 April in Colombo

Total precipitation in April in Colombo over the years

Daily UV index in April in Colombo

This chart shows the average daily UV index in April 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.