May Weather in Biak, Indonesia

Last updated: August 23, 2025

In May, the average temperature in Biak, Indonesia reaches a warm 27°C (82°F), with a minimum of 25°C (78°F) and highs around 30°C (86°F). The region experiences considerable rainfall, with an average precipitation level of 272 mm (10.7 in) over 28 days, accompanied by an elevated humidity of 76%.

May Temperature in Biak

In May in Biak, the average temperature is 27°C (82°F). Maximums can reach 30°C (86°F) and minimums can be as low as 25°C (78°F). This pleasant climate makes Biak an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

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

The chart illustrates May 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, May typically has an average temperature of 27°C (82°F), with highs reaching up to 30°C (86°F) and lows dropping to around 25°C (78°F).

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

May Precipitation in Biak

In Biak in May, the precipitation amount is 272 mm (10.7 in) falling over the course of 28 days.

May Precipitation Trends in Biak

The chart displays monthly precipitation patterns in Biak, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Biak, May typically receives around 272 mm (10.7 inches) of precipitation spread over approximately 28 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Biak

In Biak in May, 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.

May Average Humidity in Biak

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

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

May UV Index in Biak

In Biak in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Biak, you can check here.

Maximum UV Index Levels in Biak for May

The chart shows the monthly maximum UV Index (UVI) for Biak in May, 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 May, the maximum UV index in Biak typically reaches 14, which falls under the extreme exposure category.

Data source: Biak May 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 May 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 May’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 May’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