Ujung Kulon National Park, Indonesia in December

December30°C average high

December is close to Ujung Kulon National Park's usual daytime heat, with little temperature swing across the year.

Warmest monthsAll year

Daytime heat stays consistently warm through the year.

December410mm average rain

December is one of Ujung Kulon National Park's wettest months, so rain is likely to be a major planning factor.

Driest monthsMay to September

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

December6.4 hours average sun

December sits close to Ujung Kulon National Park's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsMay and July to September

This stretch has the strongest sunshine in the monthly averages.

December29°C average sea

December is close to Ujung Kulon National Park's yearly sea-temperature average, so swimming comfort is fairly typical.

Warmest seaJanuary to July and October to December

Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.

December54 weather score

December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.

Best weather monthsJune to September

These months have the strongest weather score in the monthly averages.