Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
December verdict
Good for holiday weather
Average highs sit around 30°C, giving warm days by monthly-average standards. Sunshine averages 5.8h per day, enough for a balanced month. Rainfall averages 121mm, so some wet days are possible.
Monthly averages
Temp
30°C
Rain
121mm
Sun
5.8h
Sea
29°C
Weather score
66
Good
Warm
Average highs sit around 30°C, giving warm days by monthly-average standards.
Showers
Rainfall averages 121mm, so some wet days are possible.
Some sun
Sunshine averages 5.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 29°C, so swimming is usually comfortable by monthly-average standards.
Map
Compare Tumbak, Indonesia with nearby places by weather score, rain, sun, temperature, and swim conditions.
December30°C average high
December is close to Tumbak's usual daytime heat, with little temperature swing across the year.
Warmest monthsAll year
Daytime heat stays consistently warm through the year.
December121mm average rain
December sits near Tumbak's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsSeptember to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December5.8 hours average sun
December is one of Tumbak's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril and September to November
This stretch has the strongest sunshine in the monthly averages.
December29°C average sea
December is one of Tumbak's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJanuary to May and October to December
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
December66 weather score
December scores below Tumbak's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril and August to November
These months have the strongest weather score in the monthly averages.