Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
May verdict
Surabaya, East Java, Indonesia in May
Weather score72Very good
Very good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 8.9h per day, so bright days are a strong part of the month. Rainfall averages 122mm, so some wet days are possible.
May weather
Monthly averages
Temp
32°C
Rain
122mm
Sun
8.9h
Sea
30°C
Weather score
72
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 122mm, so some wet days are possible.
Bright
Sunshine averages 8.9h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 30°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Surabaya, East Java, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May32°C average high
May is close to Surabaya's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
May122mm average rain
May sits near Surabaya's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJune to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May8.9 hours average sun
May sits close to Surabaya's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to October
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May30°C average sea
May is one of Surabaya's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary to June and October to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
May72 weather score
May sits close to Surabaya's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to October
These months have the strongest weather score in the monthly averages.
Hotels in Surabaya, East Java, Indonesia
Marriott
JW Marriott Hotel SurabayaSurabaya, Indonesia
The Westin SurabayaSurabaya, East Java, Indonesia
Sheraton Surabaya Hotel & TowersSurabaya, East Java, Indonesia
New:Surabaya, East Java, Indonesia
Fairfield by Marriott SurabayaSurabaya, Indonesia
Four Points by Sheraton Surabaya, Pakuwon IndahSurabaya, East Java, Indonesia