December Weather in Bintulu, Malaysia

Last updated: August 23, 2025

In December, the average temperature in Bintulu, Malaysia is a warm 27°C (80°F), with daily fluctuations ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F). Expect frequent rainfall, with a total precipitation of 353 mm (13.9 in) over 30 days, contributing to an average humidity level of 88%.

December Temperature in Bintulu

In December in Bintulu, 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.

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

The chart illustrates December temperature patterns in Bintulu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bintulu, December 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 Bintulu generated using information from the Copernicus Climate Change Service.

December Precipitation in Bintulu

In Bintulu in December, the precipitation amount is 353 mm (13.9 in) during a span of 30 days.

December Precipitation Trends in Bintulu

The chart displays monthly precipitation patterns in Bintulu, 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 Bintulu, December typically receives around 353 mm (13.9 inches) of precipitation spread over approximately 30 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 Bintulu

In Bintulu in December, humidity is 88%. With an average temperature of 27°C (80°F), this humidity feels like a warm, thick blanket enveloping you, making travel quite uncomfortable as you navigate the sticky air and sweat almost immediately.

December Average Humidity in Bintulu

This chart illustrates the average monthly humidity levels in Bintulu, 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 Bintulu is approximately 88%, 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 Bintulu

In Bintulu 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 Bintulu.

Maximum UV Index Levels in Bintulu for December

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

Data source: Bintulu 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 Bintulu Compares to Other Months

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

This table compares monthly weather conditions in Bintulu, 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 (80°F)	251 mm (9.9 inches)	88%	extreme
February Weather	27°C (80°F)	198 mm (7.8 inches)	86%	extreme
March Weather	27°C (81°F)	196 mm (7.7 inches)	88%	extreme
April Weather	27°C (82°F)	183 mm (7.2 inches)	87%	extreme
May Weather	28°C (82°F)	238 mm (9.4 inches)	85%	extreme
June Weather	28°C (82°F)	210 mm (8.3 inches)	85%	extreme
July Weather	28°C (82°F)	213 mm (8.4 inches)	85%	extreme
August Weather	28°C (82°F)	217 mm (8.6 inches)	87%	extreme
September Weather	27°C (81°F)	251 mm (9.9 inches)	88%	extreme
October Weather	27°C (81°F)	260 mm (10.2 inches)	87%	extreme
November Weather	27°C (81°F)	312 mm (12.3 inches)	86%	extreme
December Weather	27°C (80°F)	353 mm (13.9 inches)	88%	extreme