January Weather in Bontang, Indonesia

Last updated: August 23, 2025

In Bontang, Indonesia, the average temperature in January is a warm 27°C (80°F), with minimums dipping to 24°C (75°F) and maximums reaching 32°C (90°F). Expect considerable rainfall, with an average precipitation amount of 193 mm (7.6 in) spread over 23 days. The climate is also characterized by high humidity, averaging around 90%, making it feel even warmer.

January Temperature in Bontang

In January in Bontang, the average temperature is 27°C (80°F), with maximums reaching 32°C (90°F) and minimums dipping to as low as 24°C (75°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates January temperature patterns in Bontang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bontang, January typically has an average temperature of 27°C (80°F), with highs reaching up to 32°C (90°F) and lows dropping to around 24°C (75°F).

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

January Precipitation in Bontang

In Bontang in January, the total precipitation amount is 193 mm (7.6 in), occurring over the course of 23 days.

January Precipitation Trends in Bontang

The chart displays monthly precipitation patterns in Bontang, 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 Bontang, January typically receives around 193 mm (7.6 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 Bontang

In Bontang in January humidity is 90%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace that can quickly become overwhelming for travelers. The sticky air clings to your skin, making even the simplest activities feel exhausting and requiring frequent breaks in the shade to stay comfortable.

January Average Humidity in Bontang

This chart illustrates the average monthly humidity levels in Bontang, 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 Bontang is approximately 90%, 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 Bontang

In Bontang in January, 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 Bontang, you can check here.

Maximum UV Index Levels in Bontang for January

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

Data source: Bontang 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 Bontang Compares to Other Months

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

This table compares monthly weather conditions in Bontang, 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 (80°F)	193 mm (7.6 inches)	90%	extreme
February Weather	27°C (81°F)	184 mm (7.2 inches)	90%	extreme
March Weather	27°C (81°F)	233 mm (9.2 inches)	90%	extreme
April Weather	27°C (81°F)	222 mm (8.8 inches)	89%	extreme
May Weather	27°C (82°F)	221 mm (8.7 inches)	86%	extreme
June Weather	27°C (81°F)	215 mm (8.5 inches)	87%	extreme
July Weather	27°C (81°F)	186 mm (7.3 inches)	88%	extreme
August Weather	27°C (81°F)	160 mm (6.3 inches)	90%	extreme
September Weather	27°C (81°F)	163 mm (6.4 inches)	89%	extreme
October Weather	27°C (81°F)	200 mm (7.9 inches)	88%	extreme
November Weather	27°C (81°F)	239 mm (9.4 inches)	86%	extreme
December Weather	27°C (81°F)	272 mm (10.7 inches)	88%	extreme