Rayong
Thailand
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Rayong, Thailand

The best months for a swim in Rayong, Thailand, are January through March and December, with a perfect temperature - varying between 25°C (77°F) and 29°C (84.2°F), and scarce rainfall.
January, the same as December, in Rayong, Thailand, is another hot winter month, with average temperature fluctuating between 21.5°C (70.7°F) and 31.9°C (89.4°F). An excellent water temperature of 27.3°C (81.1°F) and only 2 rainfall days, with 20.7mm (0.8") of accumulated rainfall, makes January a prime for swimming and other water activities. Weather in January »

The last month of the winter, February, is also a hot month in Rayong, Thailand, with average temperature fluctuating between 32.5°C (90.5°F) and 24.5°C (76.1°F). The perfect water temperature of 28°C (82.4°F) with 36.5mm (1.4") of accumulated rainfall and only 4 rainfall days, makes February a great period for swimming and other water activities. Weather in February »

March, the first month of the spring, in Rayong, is still a tropical month, with average temperature varying between 33.2°C (91.8°F) and 26.2°C (79.2°F). The ideal sea water temperature of 28.6°C (83.5°F) and only 4 rainfall days, with 70.3mm (2.8") of accumulated rainfall, makes March the best time for swimming and other water activities. Weather in March »

April, like March, is a hot spring month in Rayong, Thailand, with temperature in the range of an average low of 27.1°C (80.8°F) and an average high of 34.3°C (93.7°F). April is the warmest month, with an average high-temperature of 34.3°C (93.7°F) and an average low-temperature of 27.1°C (80.8°F). In April, the average heat index is appraised at a life-threatening hot 51.7°C (125.1°F). Weather in April »

The last month of the spring, May, is another hot month in Rayong, Thailand, with average temperature ranging between min 26.9°C (80.4°F) and max 33.6°C (92.5°F). In May, the average high-temperature is practically the same as in April - a still hot 33.6°C (92.5°F). Weather in May »

June, the first month of the summer, in Rayong, is still a tropical month, with average temperature ranging between min 26.8°C (80.2°F) and max 32.7°C (90.9°F). In June, the average high-temperature is essentially the same as in May - a still hot 32.7°C (90.9°F). Weather in June »

July, like June, is a hot summer month in Rayong, Thailand, with average temperature fluctuating between 32.3°C (90.1°F) and 26.5°C (79.7°F). In Rayong, Thailand, the average high-temperature is almost the same as in June - a still hot 32.3°C (90.1°F). Weather in July »

August, the last month of the summer, in Rayong, is another hot month, with average temperature ranging between min 26.4°C (79.5°F) and max 32°C (89.6°F). In Rayong, the average high-temperature in August is relatively the same as in July - a still tropical 32°C (89.6°F). Weather in August »

September, the first month of the autumn, in Rayong, is still a tropical month, with temperature in the range of an average high of 31.9°C (89.4°F) and an average low of 25.4°C (77.7°F). The coldest months are January and September, with an average high-temperature of 31.9°C (89.4°F). The average heat index is estimated at a blistering 44.9°C (112.8°F). Weather in September »

October, like September, is a hot autumn month in Rayong, Thailand, with temperature in the range of an average low of 24.5°C (76.1°F) and an average high of 32.3°C (90.1°F). In October, the average high-temperature is relatively the same as in September - a still hot 32.3°C (90.1°F). Weather in October »

The last month of the autumn, November, is also a hot month in Rayong, Thailand, with average temperature ranging between min 23.3°C (73.9°F) and max 32.6°C (90.7°F). In Rayong, the average high-temperature is essentially the same as in October - a still hot 32.6°C (90.7°F). Weather in November »

December, the first month of the winter, in Rayong, is also a hot month, with average temperature fluctuating between 32°C (89.6°F) and 21.3°C (70.3°F). An excellent water temperature of 28.3°C (82.9°F) and only 1 rainfall days, with 5.9mm (0.2") of accumulated rainfall, makes December a prime for swimming and other water activities. Weather in December »

What is the coldest month in Rayong?

January and September, with an average high-temperature of 31.9°C (89.4°F), are the coldest months in Rayong.

How much does it rain in Rayong?

Throughout the year, in Rayong, Thailand, there are 111 rainfall days, and 1383.2mm (54.5") of precipitation is accumulated.

What is the month with the coldest sea water in Rayong?

The month with the coldest seawater in Rayong is January, with an average sea temperature of 27.3°C (81.1°F).

What is the warmest month in Rayong?

April is the warmest month, with an average high-temperature of 34.3°C (93.7°F) and an average low-temperature of 27.1°C (80.8°F).

What month is the sea warmest in Rayong?

May is the month with the warmest seawater in Rayong, Thailand, with an average sea temperature of 30.1°C (86.2°F).

When are the longest days in Rayong?

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

What is the most humid month in Rayong?

September and October, with an average relative humidity of 82%, are most humid months in Rayong, Thailand.

What is the wettest month in Rayong?

The month with the most rainfall in Rayong, Thailand, is September when the rain falls for 17 days and typically aggregates up to 255.2mm (10") of precipitation.

What is the least humid month in Rayong?

December is the least humid month, with an average relative humidity of 70%.

What is the driest month in Rayong?

December is the month with the least rainfall. Rain falls for 1 days and accumulates 5.9mm (0.2") of precipitation.

What is the month with the shortest days in Rayong?

With an average of 11.4h of daylight, December has the shortest days of the year.
Average temperature - Rayong, Thailand
Average humidity - Rayong, Thailand
Average rainfall - Rayong, Thailand

The wettest month (with the highest rainfall) is September (255.2mm).
The driest month (with the lowest rainfall) is December (5.9mm).

Average rainfall days - Rayong, Thailand
Average sea temperature - Rayong, Thailand

The best month for swimming (with the highest average sea temperature) is May (30.1°C).
The coldest month (with the lowest average sea temperature) is January (27.3°C).

Average daylight - Rayong, Thailand

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