The weather in August in Negombo

It's hot in August in Negombo with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 31°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 Negombo. 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 Negombo, 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 33°C in 2023, Negombo 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 22°C to a highest value of 29°C.

Water temperature

The water temperature at Negombo is 29°C this month. Nice and warm for a swim.

Rainfall amount

In August, there is an average of 150 mm of precipitation, spread over 18 days. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in August for Negombo

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

August weather comparison

  Negombo New York
Average temperature 31°C 30°C
Max. temperature 31°C 31°C
Min. temperature 25°C -5°C
Total precipitation 150 mm 79 mm
Rainy days 18 days 13 days

Start of August

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

Mid August

By mid-August, daytime temps stay steady at around 31°C, with nights around 26°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of August

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

Find affordable trips to Negombo

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 Negombo for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in August in Negombo, 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 Negombo

Temperature in August in Negombo over the years

Precipitation charts

These charts show the average amount of precipitation in August in Negombo, 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 Negombo

Total precipitation in August in Negombo over the years

Daily UV index in August in Negombo

This chart shows the average daily UV index in August in Negombo, 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.

Weather experiences in August in Negombo

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Average weather in Negombo by month

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