Si Racha
Thailand
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Si Racha, Thailand

The best months for a swim in Si Racha, Thailand, are January through April, June through December, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.
An excellent water temperature of 26.8°C (80.2°F) makes January in Si Racha, Thailand, a prime for swimming and other water activities. The month with the coldest seawater is January, with an average sea temperature of 26.8°C (80.2°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 January »

The perfect water temperature of 27.7°C (81.9°F) makes February a great period for swimming and other water activities in Si Racha, Thailand. In February, the average sea temperature is 27.7°C (81.9°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 February »

The perfect water temperature of 28.6°C (83.5°F) makes March a great period for swimming and other water activities in Si Racha, Thailand. In March, the average sea temperature is 28.6°C (83.5°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 March »

The perfect water temperature of 29.6°C (85.3°F) makes April a great period for swimming and other water activities in Si Racha, Thailand. In April, the average sea temperature is 29.6°C (85.3°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 April »

With an average sea temperature of 30°C (86°F), May is the month with the warmest seawater in Si Racha, Thailand. Note: The water temperature above 30°C (86°F) is arguably regarded as unpleasant. Weather in May »

The ideal sea water temperature of 29.8°C (85.6°F) makes June in Si Racha, Thailand, the best time for swimming and other water activities. In Si Racha, the average seawater temperature in June is 29.8°C (85.6°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 June »

An excellent water temperature of 29.4°C (84.9°F) makes July in Si Racha, Thailand, a prime for swimming and other water activities. In July, the average sea temperature is 29.4°C (84.9°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 July »

An excellent water temperature of 29.2°C (84.6°F) makes August in Si Racha, Thailand, a prime for swimming and other water activities. In Si Racha, the average water temperature is 29.2°C (84.6°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 August »

An excellent water temperature of 29.1°C (84.4°F) makes September in Si Racha, Thailand, a prime for swimming and other water activities. In September, the average sea temperature is 29.1°C (84.4°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 »

An excellent water temperature of 29.3°C (84.7°F) makes October in Si Racha, Thailand, a prime for swimming and other water activities. In Si Racha, the average water temperature is 29.3°C (84.7°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 October »

The perfect water temperature of 29.2°C (84.6°F) makes November a great period for swimming and other water activities in Si Racha, Thailand. In Si Racha, the average seawater temperature in November is 29.2°C (84.6°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 November »

The perfect water temperature of 28°C (82.4°F) makes December a great period for swimming and other water activities in Si Racha, Thailand. In Si Racha, in December, the average water temperature is 28°C (82.4°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 December »

What is the month with the coldest sea water in Si Racha?

January is the month with the coldest seawater in Si Racha, with an average sea temperature of 26.8°C (80.2°F).

What month is the sea warmest in Si Racha?

With an average sea temperature of 30°C (86°F), May is the month with the warmest seawater in Si Racha, Thailand.

When are the longest days in Si Racha?

June has the longest days of the year, with an average of 12.9h of daylight.

What is the month with the shortest days in Si Racha?

The month with the shortest days in Si Racha is December, with an average of 11.4h of daylight.
Average sea temperature - Si Racha, Thailand

The best month for swimming (with the highest average sea temperature) is May (30°C).
The coldest month (with the lowest average sea temperature) is January (26.8°C).

Average daylight - Si Racha, Thailand

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).