Hot
Average highs reach 33°C, so days can feel very hot.
May verdict
Thailand in May
Weather score53Mixed
Mixed for holiday weather
Average highs reach 33°C, so days can feel very hot. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 231mm, so showers are a real planning factor.
May weather
Monthly averages
Temp
33°C
Rain
231mm
Sun
6.6h
Sea
19°C
Weather score
53
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 231mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May33°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMarch to May
This stretch sets the upper range for average daytime heat.
Rain
May231mm average rain
May is wetter than Thailand's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.6 hours average sun
May sits close to Thailand's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to April
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May19°C average sea
May is one of Thailand's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMarch to November
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
May53 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 March and December
These months have the strongest weather score in the monthly averages.
