Climate almanac
Chilaw
North Western Province, Sri Lanka · 7.58°, 79.80°
What is the weather like in Chilaw in December?
In December, Chilaw is typically 85°F (29°C) during the day and 77°F (25°C) at night. The month brings about 4.4 in (112 mm) of precipitation in total.
- Average high85°F (29°C)
- Average low77°F (25°C)
- Precipitation4.4 in (112 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)