Chilaw
Sri Lanka
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Chilaw, Sri Lanka

The best months for a swim in Chilaw, Sri Lanka, are January through December, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.
The ideal sea water temperature of 27.4°C (81.3°F) make January the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, the average seawater temperature is 27.4°C (81.3°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in January »

The ideal sea water temperature of 28°C (82.4°F) make February the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, the average water temperature is 28°C (82.4°F). Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in February »

The ideal sea water temperature of 28.8°C (83.8°F) make March the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, in March, the average water temperature is 28.8°C (83.8°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in March »

The ideal sea water temperature of 29.6°C (85.3°F) make April the best time for swimming and other water activities in Chilaw, Sri Lanka. With an average sea temperature of 29.6°C (85.3°F), April is the month with the warmest seawater. Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in April »

The ideal sea water temperature of 29.4°C (84.9°F) make May the best time for swimming and other water activities in Chilaw, Sri Lanka. In May, the average sea temperature is 29.4°C (84.9°F). Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in May »

The ideal sea water temperature of 28.3°C (82.9°F) make June the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, the average water temperature is 28.3°C (82.9°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in June »

The ideal sea water temperature of 27.3°C (81.1°F) make July the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, the average seawater temperature is 27.3°C (81.1°F). Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in July »

The ideal sea water temperature of 27°C (80.6°F) make August the best time for swimming and other water activities in Chilaw, Sri Lanka. August is the month with the coldest seawater, with an average sea temperature of 27°C (80.6°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in August »

The ideal sea water temperature of 27.6°C (81.7°F) make September the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, in September, the average water temperature is 27.6°C (81.7°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in September »

The ideal sea water temperature of 28.5°C (83.3°F) make October the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, the average seawater temperature is 28.5°C (83.3°F). Note: For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in October »

The ideal sea water temperature of 28.7°C (83.7°F) make November the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, in November, the average water temperature is 28.7°C (83.7°F). Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. Weather in November »

The ideal sea water temperature of 27.8°C (82°F) make December the best time for swimming and other water activities in Chilaw, Sri Lanka. In Chilaw, Sri Lanka, the average water temperature is 27.8°C (82°F). Note: For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods. Weather in December »

What is the month with the shortest days in Chilaw?

Months with the shortest days are January and December, with an average of 11.7h of daylight.

When is the sea warmest in Chilaw?

The month with the warmest seawater in Chilaw, Sri Lanka, is April, with an average sea temperature of 29.6°C (85.3°F).

When are the longest days in Chilaw?

With an average of 12.6h of daylight, June has the longest days of the year in Chilaw, Sri Lanka.

When is the sea coldest in Chilaw?

August is the month with the coldest seawater in Chilaw, Sri Lanka, with an average sea temperature of 27°C (80.6°F).
Average sea temperature - Chilaw, Sri Lanka

The best month for swimming (with the highest average sea temperature) is April (29.6°C).
The coldest month (with the lowest average sea temperature) is August (27°C).

Average daylight - Chilaw, Sri Lanka

The month with the longest days is June (Average daylight: 12.6h).
Months with shortest days are January and December (Average daylight: 11.7h).