August weather forecast and climate
Colombo, Sri Lanka

Statues on the Seema Malaka Temple in Colombo, Sri Lanka, overlooking the Beira Lake, and a yonder view of the tall buildings of Colombo
Statues on the Seema Malaka Temple in Colombo, Sri Lanka, overlooking the Beira Lake, and a yonder view of the tall buildings of Colombo

What is the coldest month in Colombo?

Coldest months in Colombo are July, August and October, with an average high-temperature of 30°C (86°F).

What is the temperature in August in Colombo?

In Colombo, in August, the average high-temperature is 30°C (86°F), and the average low-temperature is 25.1°C (77.2°F).

How many days does it rain in August in Colombo?

In Colombo, Sri Lanka, in August, it is raining for 11 days, with typically 119.5mm (4.7") of accumulated precipitation.
Average temperature in August - Colombo, Sri Lanka
  • Average high temperature in August: 30°C

The warmest month (with the highest average high temperature) is April (31.8°C).
Months with the lowest average high temperature are July, August and October (30°C).

  • Average low temperature in August: 25.1°C

Months with the highest average low temperature are May and June (25.5°C).
The coldest month (with the lowest average low temperature) is January (22.3°C).

Average humidity in August - Colombo, Sri Lanka
  • Average humidity in August: 77%

The month with the highest relative humidity is June (79%).
Months with the lowest relative humidity are January and February (69%).

Average rainfall in August - Colombo, Sri Lanka
  • Average rainfall in August: 119.5mm

The wettest month (with the highest rainfall) is November (414.4mm).
The driest month (with the lowest rainfall) is January (58.2mm).

Average rainfall days in August - Colombo, Sri Lanka
  • Average rainfall days in August: 11 days

The month with the highest number of rainy days is October (17 days).
Months with the lowest number of rainy days are January and February (5 days).

Average sea temperature in August - Colombo, Sri Lanka
  • Average sea temperature in August: 27.2°C

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is August (27.2°C).

Average daylight in August / Average sunshine in August - Colombo, Sri Lanka
  • Average daylight in August: 12.3h

Months with the longest days are June and July (Average daylight: 12.5h).
The month with shortest days is December (Average daylight: 11.7h).

  • Average sunshine in August: 6.5h

The month with most sunshine is March (Average sunshine: 8.9h).
The month with least sunshine is September (Average sunshine: 6.3h).

Average UV index in August - Colombo, Sri Lanka
  • Average UV index in August: 12

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
Months with the lowest UV index are January, November and December (UV index 11).

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