Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
August verdict
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 5.9h per day, enough for a balanced month. Rainfall averages 163mm, so some wet days are possible.
Monthly averages
Temp
31°C
Rain
163mm
Sun
5.9h
Weather score
56
Good
Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 163mm, so some wet days are possible.
Some sun
Sunshine averages 5.9h per day, enough for a balanced month.
Map
Compare Batam, Riau Islands, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
August31°C average high
August is close to Batam's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
August163mm average rain
August is one of the drier months, but average rainfall is still high enough to keep backup plans useful.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August5.9 hours average sun
August is brighter than Batam's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsFebruary to August
This stretch has the strongest sunshine in the monthly averages.
August56 weather score
August scores above Batam's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJanuary to September
These months have the strongest weather score in the monthly averages.