Sri Lanka weather in August
In August, popular resorts in Sri Lanka (Colombo, Galle, Negombo) average 28°C by day and 24°C at night, and the sea is about 27°C. On average 113 mm of rain falls during the month.
That is the same as in July, and in September days average 28°C.
It is good weather for both the beach and sightseeing. The sea is warm and pleasant for swimming.
Warmest resorts in Sri Lanka in August
| Place | Day | Night | Sea | Rain |
|---|---|---|---|---|
| Vakarai | 33°C | 24°C | 29°C | 50 mm |
| Kalmunai | 32°C | 26°C | 30°C | 52 mm |
| Batticaloa | 32°C | 26°C | 30°C | 52 mm |
| Trincomalee | 32°C | 26°C | 29°C | 57 mm |
| Pottuvil | 32°C | 26°C | 28°C | 67 mm |
| Eravur Town | 31°C | 27°C | 29°C | 43 mm |
| Mullaittivu | 31°C | 27°C | 29°C | 64 mm |
| Keppapularu | 31°C | 27°C | 29°C | 64 mm |
| Point Pedro | 30°C | 28°C | 29°C | 69 mm |
| Valvettithurai | 30°C | 28°C | 29°C | 69 mm |
| Mannar | 30°C | 26°C | 29°C | 39 mm |
| Jaffna | 30°C | 27°C | 29°C | 50 mm |
Sri Lanka weather in other months
See also
FAQ
Is it warm in Sri Lanka in August?
In August, popular resorts in Sri Lanka (Colombo, Galle, Negombo) average 28°C by day and 24°C at night, and the sea is about 27°C. On average 113 mm of rain falls during the month. It is good weather for both the beach and sightseeing.
What is the sea temperature in Sri Lanka in August?
About 27°C on average. The warmest water is in Kalmunai (30°C).
Where is it warmest in Sri Lanka in August?
The warmest place is Vakarai (33°C by day), followed by Kalmunai (32°C) and Batticaloa (32°C).
Does it rain in Sri Lanka in August?
On average 113 mm of rain falls in the month. It is a fairly wet month, so pack a jacket.
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day.