Ujung Kulon National Park, Indonesia in January

January29°C average high

January 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.

January415mm average rain

January 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.

January4.8 hours average sun

January is one of Ujung Kulon National Park's cloudier months, so sunshine-led plans are less reliable.

Brightest monthsMay and July to September

This stretch has the strongest sunshine in the monthly averages.

January29°C average sea

January 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.

January53 weather score

January 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.