January Weather in Biak, Indonesia

Last updated: August 23, 2025

In January, the average temperature in Biak, Indonesia hovers around 27°C (82°F), with daily fluctuations ranging from a minimum of 25°C (78°F) to a maximum of 29°C (85°F). Be prepared for some rain, as 212 mm (8.3 in) of precipitation is expected over 23 days, contributing to an average humidity level of 76%. Enjoy the warm, albeit slightly damp, climate!

January Temperature in Biak

In January, in Biak, the average temperature is 27°C (82°F), with maximums reaching 29°C (85°F) and minimums dropping to as low as 25°C (78°F). This warm climate makes Biak a perfect destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates January 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, January 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 (78°F).

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

January Precipitation in Biak

In Biak in January, the precipitation amount is 212 mm (8.3 in) over the course of 23 days.

January Precipitation Trends in Biak

The chart displays monthly precipitation patterns in Biak, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Biak, January typically receives around 212 mm (8.3 inches) of precipitation spread over approximately 23 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Biak

In Biak in January, 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.

January Average Humidity in Biak

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

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

January UV Index in Biak

In Biak in January, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Biak.

Maximum UV Index Levels in Biak for January

The chart shows the monthly maximum UV Index (UVI) for Biak in January, 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 January, the maximum UV index in Biak typically reaches 15, which falls under the extreme exposure category.

Data source: Biak January 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 January 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 January’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 January’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