January Weather in Sibu, Malaysia

Last updated: August 23, 2025

In January, the average temperature in Sibu, Malaysia hovers around 26°C (79°F), with minimums dipping to 22°C (73°F) and maximums soaring to 34°C (93°F). Expect significant rainfall, as 247 mm (9.7 in) of precipitation can fall over 25 days, contributing to a high average humidity of 86%.

January Temperature in Sibu

In January, in Sibu, the average temperature is 26°C (79°F), with maximums reaching up to 34°C (93°F) and minimums dipping as low as 22°C (73°F). This warm climate makes Sibu an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates January temperature patterns in Sibu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sibu, January typically has an average temperature of 26°C (79°F), with highs reaching up to 34°C (93°F) and lows dropping to around 22°C (73°F).

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

January Precipitation in Sibu

In Sibu in January, the precipitation amount is 247 mm (9.7 in) over the course of 25 days.

January Precipitation Trends in Sibu

The chart displays monthly precipitation patterns in Sibu, 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 Sibu, January typically receives around 247 mm (9.7 inches) of precipitation spread over approximately 25 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 Sibu

In Sibu in January, humidity is 86%. With an average temperature of 26°C (79°F), this humidity feels like a warm, heavy blanket clinging to your skin, making even short walks a challenge and turning travel into a sticky, sweat-inducing experience.

January Average Humidity in Sibu

This chart illustrates the average monthly humidity levels in Sibu, 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 Sibu is approximately 86%, 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 Sibu

In Sibu 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 Sibu, you can check here.

Maximum UV Index Levels in Sibu for January

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

Data source: Sibu 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 Sibu Compares to Other Months

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

This table compares monthly weather conditions in Sibu, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	247 mm (9.7 inches)	86%	extreme
February Weather	26°C (80°F)	219 mm (8.6 inches)	87%	extreme
March Weather	27°C (80°F)	249 mm (9.8 inches)	88%	extreme
April Weather	27°C (81°F)	219 mm (8.6 inches)	83%	extreme
May Weather	27°C (82°F)	247 mm (9.7 inches)	80%	extreme
June Weather	27°C (81°F)	194 mm (7.6 inches)	80%	extreme
July Weather	27°C (81°F)	178 mm (7.0 inches)	80%	extreme
August Weather	27°C (81°F)	204 mm (8.0 inches)	82%	extreme
September Weather	27°C (80°F)	293 mm (11.5 inches)	83%	extreme
October Weather	27°C (80°F)	274 mm (10.8 inches)	81%	extreme
November Weather	27°C (80°F)	303 mm (11.9 inches)	80%	extreme
December Weather	26°C (80°F)	357 mm (14.0 inches)	83%	extreme