Hot
Average highs reach 33°C, so days can feel very hot.
May verdict
Rayong, Thailand in May
Weather score48Mixed
Mixed for holiday weather
Average highs reach 33°C, so days can feel very hot. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 269mm, so showers are a real planning factor.
May weather
Monthly averages
Temp
33°C
Rain
269mm
Sun
6h
Sea
31°C
Weather score
48
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 269mm, so showers are a real planning factor.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Warm sea
Sea temperatures average 31°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Rayong, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May33°C average high
May is close to Rayong's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
May269mm average rain
May is wetter than Rayong's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6 hours average sun
May is below Rayong's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to April and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May31°C average sea
May is one of Rayong's warmest sea months, when swimming comfort is usually strongest.
Warmest seaApril to June
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
Weather score
May48 weather score
May is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to February and December
These months have the strongest weather score in the monthly averages.
