Colombo Weather in August
In August, Colombo averages a high of 23°C (74°F) and a low of 17°C (63°F), based on 51 years of historical weather data from COLOMBO.
23°C
Average high
74°F
17°C
Average low
63°F
38°C
Record high
101°F · 2010
0°C
Record low
32°F · 2025
What to Expect in Colombo in August
Typical August days in Colombo reach 23°C (74°F) during the afternoon and cool to around 17°C (63°F) overnight. On average, measurable rain falls on about 48% of days this month. Over the past 51 years, August temperatures in Colombo have ranged from a record high of 38°C (2010) down to a record low of 0°C (2025).
For a day-by-day look or other months, see the full Colombo weather history.