Rayong Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rayong.
Climate overview of Rayong
Rayong, Rayong Province, Thailand, enjoys a steady climate throughout the year, with daytime temperatures typically around 32°C (90°F). April is the warmest month at 33°C (91°F), while January is the coolest at 31°C (88°F).
Rainfall is high, totalling around 1790 mm (70 in) per year. September is the wettest month and December the driest. The city also experiences distinct dry (December to February) and wet (May to October) seasons. March is the sunniest month, averaging 8.0 hours of sunshine per day.
Rayong Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rayong — and find the best time to visit.
Monthly Temperature in Rayong
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 January.
At night, you can expect temperatures ranging from 27°C (81°F) in April to around 24°C (75°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rayong
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
Sunshine Hours in Rayong
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
Humidity in Rayong by Month
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
Best Time to Visit Rayong
For a more comfortable experience, start your day early when the weather is cooler, or take advantage of the gentle breezes in the late afternoon.
The rainy season occurs during May, June, July, August, September and October, when the area experiences its heaviest rainfall. Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
Frequently asked questions about the climate in Rayong
What is the best time to visit Rayong?
January and December typically offer the most optimal weather in Rayong. In contrast, April, May, June, July, August, September and October tend to have less optimal conditions. Rayong has distinct dry (December to February) and wet (May to October) seasons.
What temperatures can I expect in Rayong?
Daytime highs range from 31°C (88°F) in January to 33°C (91°F) in April. Nighttime lows range from 24°C (75°F) to 27°C (81°F). Temperatures stay relatively stable year-round.
How much rain does Rayong get?
Annual rainfall is around 1790 mm (70 in). September is the wettest month with 308 mm (12 in), while December is the driest with 17 mm (0.7 in).
How sunny is Rayong?
Rayong receives around 2,073 hours of sunshine per year. March is the sunniest month with 240 hours, while September is the cloudiest with just 110 hours. Overall, Rayong enjoys abundant sunshine.
Rayong 3-Day Forecast
Rayong 3-Day Forecast
Rayong on the map
Rayong is highlighted — select any city to see its climate.
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