Chilaw weather
At 12:45 AM local time it was cloudy and 25°C (77°F). Light rain for 9 of the next 24 hours (under 1 mm/h, 1.6 mm total) — cloudy, but fine to be out. Best months for weather: Jun–Aug, Jan–Mar. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Chilaw, North Western Province, Sri Lanka.
Current conditions
- Clouds
- 83%
- Chance of rain
- 25%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 9 of the next 24 hours (under 1 mm/h, 1.6 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jun–Aug, Jan–MarOff season Oct–Nov
About Chilaw weather
Is it raining in Chilaw right now?
No. It’s cloudy and 25° right now. Light rain for 9 of the next 24 hours (under 1 mm/h, 1.6 mm total) — cloudy, but fine to be out.
What’s the weather like in Chilaw this week?
Over the next 7 days, expect highs of 29–30° and lows of 23–24°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Sunday.
Has it been raining in Chilaw lately?
In the past 7 days, Chilaw had 5 rainy days and 164.0 mm of rain in total.
What should I pack for Chilaw?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
Chilaw weather by month
When is the best time to visit Chilaw?
Based on weather alone, the best time to visit Chilaw is Jun–Aug, Jan–Mar, according to NASA's 2001–2025 climate averages. Oct–Nov tends to be the least pleasant. Average highs run from 28°C (83°F) in December to 32°C (90°F) in March.
What is the rainiest month in Chilaw?
November is the wettest month, with about 270 mm (10.6 in) of rain on average. February is the driest, with about 55 mm (2.2 in).
What is the hottest month in Chilaw?
March is the warmest, with average highs of 32°C (90°F) and lows of 24°C (75°F). December is the coolest, with highs of 28°C (83°F) and lows of 23°C (73°F).
Does Chilaw have a rainy season?
Yes. Apr–May, Oct–Dec is the rainy season (150 mm or more a month), while Feb is usually dry (under 60 mm).
How warm is the sea in Chilaw?
The sea is warmest in April at about 31°C (88°F) and coolest in January at about 28°C (83°F). It is warm enough for swimming all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months