December Weather in Biak, Indonesia

Last updated: August 23, 2025

In Biak, Indonesia, the average temperature in December hovers around 28°C (82°F). Expect a minimum of 25°C (77°F) and a maximum of 30°C (86°F). During this time, the region experiences 292 mm (11.5 in) of precipitation spread over 29 days, contributing to an average humidity of 76%. Pack accordingly!

December Temperature in Biak

In December in Biak, the average temperature is 28°C (82°F). The maximum can reach 30°C (86°F) and the minimum can be as low as 25°C (77°F). This mild and warm weather makes it an ideal time to explore and enjoy outdoor activities in Biak.

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

The chart illustrates December 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, December typically has an average temperature of 28°C (82°F), with highs reaching up to 30°C (86°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.

December Precipitation in Biak

In Biak in December, the total precipitation amount is 292 mm (11.5 in) accumulated over a span of 29 days.

December Precipitation Trends in Biak

The chart displays monthly precipitation patterns in Biak, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Biak, December typically receives around 292 mm (11.5 inches) of precipitation spread over approximately 29 days.

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

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Millimeters (mm) Inches (in)

December Humidity in Biak

In Biak in December humidity is 76%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket enveloping you, making travel feel sticky and sluggish as you navigate through the heat, leaving you constantly seeking shade and refreshing beverages.

December Average Humidity in Biak

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

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

December UV Index in Biak

In Biak in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Biak.

Maximum UV Index Levels in Biak for December

The chart shows the monthly maximum UV Index (UVI) for Biak in December, 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 December, the maximum UV index in Biak typically reaches 13, which falls under the extreme exposure category.

Data source: Biak December 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 December 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 December’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 December’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