ClimateForecastDecemberJanuary >>

Rayong Climate by Month

Rayong has pretty similar weather over the course of the year. It also has a notably wet climate with much precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The temperature in Rayong remains steady throughout the year, providing a consistently very warm climate. Average daytime temperatures range from a very warm 33°C in April, the warmest time of the year, to a very warm 31°C during cooler months like January. At night, temperatures typically average around 24°C during these months.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Rayong has a relatively rainy climate with high precipitation levels, averaging 1790 mm of rainfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, September receives heavy rainfall, averaging 308 mm of precipitation, recorded across 18 rainy days. In contrast, the drier season, December brings less rainfall, with 17 mm over a single rainy day.

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

Sunshine over the year

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.

Monthly hours of sunshine

Data from: Jomtien Beach, Thailand (43 KM, 26 Miles).

Daily hours of sunshine

Data from: Jomtien Beach, Thailand (43 KM, 26 Miles).

The best time of year to visit Rayong in Thailand

Rayong has high temperatures year round ranging between 31°C and 32°C.
The best time to visit is during the drier months: January, February and December.

Other facts from our historical weather data:
  • When is the rainy season in Rayong?
    Rainy season in Rayong occurs in the months of May, June, July, August, September and October.
  • Which is the hottest month in Rayong?
    April has an average maximum temperature of 33°C and is the hottest month of the year.
  • Which is the coolest month in Rayong?
    The coolest month is January with an average maximum temperature of 31°C.
  • Which is the wettest month in Rayong?
    September tops the wettest month list with 308 mm of rainfall.
  • Which is the driest month in Rayong?
    December is the driest month with 17 mm of precipitation.
  • Which is the sunniest month in Rayong?
    March is the sunniest month with an average of 240 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Rayong

    Tue   Dec 03
    34°C | 24°C
    N 14 km/h
    almost clear and no rain

    almost clear and no rain

    Wed   Dec 04
    34°C | 24°C
    NE 11 km/h
    almost clear and no rain

    almost clear and no rain

    Thu   Dec 05
    33°C | 24°C
    NE 11 km/h
    broken clouds and no rain

    broken clouds and no rain