Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
May verdict
Sumba, East Nusa Tenggara, Indonesia in May
Weather score77Very good
Very good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 116mm, so some wet days are possible.
May weather
Monthly averages
Temp
32°C
Rain
116mm
Sun
8.5h
Sea
28°C
Weather score
77
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 116mm, so some wet days are possible.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Sumba, East Nusa Tenggara, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May32°C average high
May is close to Sumba's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
Rain
May116mm average rain
May sits near Sumba'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
May8.5 hours average sun
May is brighter than Sumba's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to October
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May28°C average sea
May is close to Sumba's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJanuary to April and November to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
Weather score
May77 weather score
May scores above Sumba's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
