Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
Weather Guide
Batam, Riau Islands, Indonesia Average Monthly Weather
Weather score53Mixed annual avg
Best months: February, August, January
Across the year, average daytime temperatures are around 31°C, sunshine averages 5.6h per day, and rainfall totals about 2348mm.
Annual weather
Annual averages
Temp
31°C
Rain
2348mm
Annual total
Sun
5.6h
Weather score
53
Mixed avg
Seasonal climate calendar
Trip feel
Wet
Rainfall averages 197mm, so showers are a real planning factor.
Some sun
Sunshine averages 5.1h per day, enough for a balanced month.
Map
Weather map
Compare Batam, Riau Islands, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
October31°C average high
October 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.
Rain
October197mm average rain
October sits on the drier side of Batam's year, which helps with sightseeing and transfers.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October5.1 hours average sun
October sits close to Batam's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
October50 weather score
October sits close to Batam's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to September
These months have the strongest weather score in the monthly averages.
