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Sri Lanka

Negombo weather in August 2025

Sri Lanka

Negombo weather in August 2025

 

Day

31 °C

 

Night

25 °C

 

Sea

27 °C

 

Precipitation

80 mm

in month

 

Rainy days

10 days

in month

 

Daylight

12 hours

average

 

Sunshine

6 hours

average

 

Humidity

77 %

 

Day

31 °C

 

Night

25 °C

 

Sea

27 °C

 

Precipitation

80 mm

in month

 

Rainy days

10 days

in month

 

Daylight

12 hours

average

 

Sunshine

6 hours

average

 

Humidity

77 %

Overview: Negombo
In Negombo in August, the average air temperature ranges from 31 °C (87 °F) during the day to 25 °C (77 °F) at night. There are 10 days of rain on average, where the rainfall is 80 mm (3.14 in).

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Countryside in Negombo on a day with cloudy weather

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Weather overview for Negombo

Weather overview

In Negombo in August, the average air temperature ranges from 31 °C (87 °F) during the day to 25 °C (77 °F) at night. There are 10 days of rain on average, where the rainfall is 80 mm (3.14 in).

Are there good conditions to visit in August in Negombo?

August is one of the best months to visit Negombo. The daily temperatures in this month reach pleasant 31 °C (87 °F). The seawater temperature reaches ideal 27 °C (81 °F). At night, temperatures hover around a pleasant 25 °C (77 °F). You can expect just 10 days of rain during the month, taking an umbrella is not necessary.

What is the temperature in Negombo during the day in August?

The average daily temperature in Negombo in August is 31 °C (87 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.

What is the sea temperature in Negombo in August?

The sea will reach 27 °C (81 °F) in Negombo in August. Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.

How heavy is the precipitation in August in Negombo?

In Negombo in August, there is 80 mm (3.14 in) rainfall, which means on average 3 mm (0.11 in) rainfall per day.

How many days of precipitation on average can I expect in Negombo in August?

In Negombo in August, we can expect 10 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.3 days of the week, or in general - 33 % days.

What is the air temperature in August in Negombo at night?

The average night temperature in August in Negombo is 25 °C (77 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

How long is the day (from dawn till dusk) in Negombo in August?

The length of daylight in August in Negombo is 12 hours.

How many hours of sun to expect in August in Negombo?

There is an average length of sunshine of 6 hours per day in Negombo in August.

Is there a wet season in Negombo in August?

No, there is no wet season in August in Negombo - you can expect 10 days of rain during the month.

What is the humidity in Negombo in August?

In August in Negombo, expect humidity around 77 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.

Is it hot in Negombo in August?

In Negombo in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is Negombo rainier in August than in September?

No, August in Negombo is not a rainier month than September.

How windy is Negombo in August?

In August in Negombo, there will be an average wind scale of 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.

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