Hot
Average highs reach 33°C, so days can feel very hot.
May verdict
Dumai, Indonesia in May
Weather score62Good
Good for holiday weather
Average highs reach 33°C, so days can feel very hot. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 166mm, so some wet days are possible.
May weather
Monthly averages
Temp
33°C
Rain
166mm
Sun
6.9h
Sea
30°C
Weather score
62
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 166mm, so some wet days are possible.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Dumai, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May33°C average high
May is close to Dumai's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
May166mm average rain
May sits on the drier side of Dumai's year, which helps with sightseeing and transfers.
Driest monthsJanuary to February and May to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.9 hours average sun
May is one of Dumai's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsFebruary to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May30°C average sea
May is one of Dumai's warmest sea months, when swimming comfort is usually strongest.
Warmest seaMarch to November
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
May62 weather score
May scores above Dumai's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to August
These months have the strongest weather score in the monthly averages.