Rayong Weather & Climate: Best Time to Visit

The temperature in Rayong remains steady throughout the year, providing a consistently very warm climate. Average maximum daytime temperatures range from a very warm 33°C (91°F) in April, the warmest time of the year, to a very warm 31°C (88°F) during cooler months like September.

At night, you can expect temperatures ranging from 27°C (81°F) in April to around 24°C (75°F) during September.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rayong has a relatively rainy climate with high precipitation levels, averaging 1790 mm (70 in) of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, September it receives heavy rainfall, averaging 308 mm (12 in) of precipitation, recorded across 18 rainy days. In contrast, the driest month December brings less rainfall, with 17 mm (0.7 in) over a single rainy day. For more details, please visit our Rayong Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Rayong. While March receives considerable daily sunshine with up to 8.0 hours, September marks the darkest time of the year, where sunshine is scarce with only 3.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Rayong.

The city experiences its highest humidity in October, reaching 85%. In December, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year