Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Weather Guide
Indonesia Average Monthly Weather
Weather score65Good annual avg
Best months: August, July, September
Across the year, average daytime temperatures are around 30°C, sunshine averages 6.8h per day, and rainfall totals about 1742mm. Sea temperatures average 25°C across the year.
Annual weather
Annual averages
Temp
30°C
Rain
1742mm
Annual total
Sun
6.8h
Sea
25°C
Weather score
65
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 126mm, so some wet days are possible.
Some sun
Sunshine averages 7.4h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July30°C average high
July is close to Indonesia's usual daytime heat, with little temperature swing across the year.
Warmest monthsJanuary to September
Daytime heat stays consistently warm through the year.
Rain
July126mm average rain
July is one of Indonesia's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJune to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July7.4 hours average sun
July is one of Indonesia's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to September
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July24°C average sea
July is close to Indonesia's usual sea temperature, with limited seasonal change in the water.
Warmest seaJanuary to July and September
Sea temperatures are usually near 25°C in this stretch, so swimming comfort is at its strongest.
Weather score
July72 weather score
July is one of Indonesia's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.