Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
May verdict
Mixed for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 6.1h per day, enough for a balanced month. Rainfall averages 358mm, so showers are a real planning factor.
Monthly averages
Temp
32°C
Rain
358mm
Sun
6.1h
Sea
31°C
Weather score
49
Mixed
Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
Wet
Rainfall averages 358mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.1h per day, enough for a balanced month.
Warm sea
Sea temperatures average 31°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Ko Chang, Thailand with nearby places by weather score, rain, sun, temperature, and swim conditions.
May32°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsFebruary to May
This stretch sets the upper range for average daytime heat.
May358mm average rain
May sits near Ko Chang's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May6.1 hours average sun
May sits close to Ko Chang's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJanuary to April and December
This stretch has the strongest sunshine in the monthly averages.
May31°C average sea
May is one of Ko Chang's warmest sea months, when swimming comfort is usually strongest.
Warmest seaApril to June and November
Sea temperatures are usually near 30°C in this stretch, so swimming comfort is at its strongest.
May49 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.