April Weather in Biak, Indonesia

Last updated: August 23, 2025

In April, the average temperature in Biak, Indonesia is a warm 27°C (82°F), with a comfortable minimum of 25°C (77°F) and a maximum reaching up to 29°C (85°F). However, be prepared for some rain, as the region experiences an average precipitation of 361 mm (14.2 in) over 27 days. With an average humidity of 76%, it's a good idea to bring along your umbrella and light clothing!

April Temperature in Biak

In April in Biak, the average temperature is 27°C (82°F). Maximums can reach 29°C (85°F) and minimums can be as low as 25°C (77°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and comfort throughout the month.

April Weather in Biak: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Biak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biak, April typically has an average temperature of 27°C (82°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).

Data source: Temperature data for Biak generated using information from the Copernicus Climate Change Service.

April Precipitation in Biak

In Biak in April, the total precipitation amount is 361 mm (14.2 in) over the course of 27 days.

April Precipitation Trends in Biak

The chart displays monthly precipitation patterns in Biak, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Biak, April typically receives around 361 mm (14.2 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

April Humidity in Biak

In Biak in April, humidity is 76%. With an average temperature of 27°C (82°F), this humidity feels like a thick, warm blanket wrapping around you, making outdoor activities feel muggy and requiring frequent hydration breaks for comfort while traveling.

April Average Humidity in Biak

This chart illustrates the average monthly humidity levels in Biak, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Biak is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Biak

In Biak in April, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in Biak, you can check Hourly UV Index in Biak.

Maximum UV Index Levels in Biak for April

The chart shows the monthly maximum UV Index (UVI) for Biak in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Biak typically reaches 17, which falls under the extreme exposure category.

Data source: Biak April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How April Weather in Biak Compares to Other Months

Weather in Biak varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Biak, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Biak, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (82°F)	212 mm (8.3 inches)	76%	extreme
February Weather	27°C (81°F)	247 mm (9.7 inches)	77%	extreme
March Weather	27°C (81°F)	247 mm (9.7 inches)	75%	extreme
April Weather	27°C (82°F)	361 mm (14.2 inches)	76%	extreme
May Weather	27°C (82°F)	272 mm (10.7 inches)	76%	extreme
June Weather	27°C (81°F)	393 mm (15.5 inches)	76%	extreme
July Weather	27°C (81°F)	286 mm (11.2 inches)	76%	extreme
August Weather	27°C (81°F)	285 mm (11.2 inches)	79%	extreme
September Weather	27°C (81°F)	239 mm (9.4 inches)	78%	extreme
October Weather	27°C (82°F)	219 mm (8.6 inches)	77%	extreme
November Weather	28°C (82°F)	229 mm (9.0 inches)	76%	extreme
December Weather	28°C (82°F)	292 mm (11.5 inches)	76%	extreme