Biak weather in April 2025

Expect 86°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Biak in April. Check more long-term weather averages for Biak in April before you book your next holiday to Indonesia in 2025/2026.

86
86°F max day temperature
5
5 hours of sunshine per day
19
19 days with some rainfall
73
73°F min night temperature
12
12 hours of daylight per day
VH
Very High heat & humidity
8.5
8.5 inches of monthly rainfall
11
11+ (Extreme) UV index
84
84°F sea temperature

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The April weather guide for Indonesia (Biak) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Indonesia

How hot is it in Biak in April?

Daytime temperatures usually reach 86°F in Biak in April with very high heat and humidity, falling to 73°F at night.

How sunny is it in Biak in April?

There are normally 5 hours of bright sunshine each day in Biak in April - that's 41% of daylight hours.

How warm is the sea around Biak in April?

The average sea temperature around Biak in April is 84°F.

Does it rain in Biak in April?

There are usually 19 days with some rain in Biak in April and the average monthly rainfall is 8.5 inches.

Biak April sunrise & sunset times

Browse the sunrise and sunset times for Biak in April 2025. Select a month to view Biak sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Tuesday, 1st April 2025	05:57	18:02
Tuesday, 15th April 2025	05:53	17:58
Wednesday, 30th April 2025	05:51	17:55

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Indonesia - quick facts
Flight time^✝	16 to 22 hours
Time difference	UK +7 to +9 hours
Language(s)	Indonesian
Currency	Indonesian Rupiah
Electricity	C + F plug (230V)
Driving side	Left
Why visit?	Beaches Culture Nature
Tourist info	Indonesia Ministry of Tourism