Sri Lanka weather in December
In December, popular resorts in Sri Lanka (Colombo, Galle, Negombo) average 28°C by day and 23°C at night, and the sea is about 28°C. On average 174 mm of rain falls during the month.
That is the same as in November, and in January days average 29°C.
It is hot: ideal beach and swimming weather. The sea is warm and pleasant for swimming.
Warmest resorts in Sri Lanka in December
| Place | Day | Night | Sea | Rain |
|---|---|---|---|---|
| Kalutara | 28°C | 24°C | 28°C | 192 mm |
| Bentota | 28°C | 24°C | 28°C | 192 mm |
| Beruwala | 28°C | 24°C | 28°C | 192 mm |
| Panadura | 28°C | 24°C | 28°C | 192 mm |
| Colombo | 28°C | 23°C | 28°C | 174 mm |
| Negombo | 28°C | 23°C | 28°C | 174 mm |
| Katunayaka | 28°C | 23°C | 28°C | 174 mm |
| Matara | 28°C | 25°C | 28°C | 192 mm |
| Beliatta | 28°C | 25°C | 28°C | 192 mm |
| Hendala | 28°C | 23°C | 28°C | 174 mm |
| Puttalam | 28°C | 23°C | 28°C | 168 mm |
| Devinuwara | 28°C | 25°C | 28°C | 192 mm |
Sri Lanka weather in other months
See also
FAQ
Is it warm in Sri Lanka in December?
In December, popular resorts in Sri Lanka (Colombo, Galle, Negombo) average 28°C by day and 23°C at night, and the sea is about 28°C. On average 174 mm of rain falls during the month. It is hot: ideal beach and swimming weather.
What is the sea temperature in Sri Lanka in December?
About 28°C on average. The warmest water is in Colombo (28°C).
Where is it warmest in Sri Lanka in December?
The warmest place is Kalutara (28°C by day), followed by Bentota (28°C) and Beruwala (28°C).
Does it rain in Sri Lanka in December?
On average 174 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.