January Weather in Bukit Mertajam, Malaysia

Last updated: August 23, 2025

In January, the average temperature in Bukit Mertajam, Malaysia hovers around 28°C (82°F), creating a warm and inviting atmosphere. Expect minimums of 22°C (73°F) and maximums reaching up to 34°C (94°F). While the weather is generally sunny, be prepared for 155 mm (6.1 in) of precipitation spread over 18 days, resulting in an average humidity of 83% that adds a tropical touch to your visit.

January Temperature in Bukit Mertajam

In January in Bukit Mertajam, the average temperature is 28°C (82°F), with maximums reaching 34°C (94°F) and minimums dropping to 22°C (73°F). Travelers can expect warm and pleasant weather, ideal for outdoor activities and exploration.

January Weather in Bukit Mertajam: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Bukit Mertajam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bukit Mertajam, January typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (73°F).

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

January Precipitation in Bukit Mertajam

In Bukit Mertajam in January, the total precipitation amount is 155 mm (6.1 in) spread over 18 days.

January Precipitation Trends in Bukit Mertajam

The chart displays monthly precipitation patterns in Bukit Mertajam, 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 Bukit Mertajam, January typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 18 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Bukit Mertajam

In Bukit Mertajam in January humidity is 83%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making travel languid and drenched in sweat.

January Average Humidity in Bukit Mertajam

This chart illustrates the average monthly humidity levels in Bukit Mertajam, 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 Bukit Mertajam is approximately 83%, 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 Bukit Mertajam

In Bukit Mertajam in January, 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 Bukit Mertajam.

Maximum UV Index Levels in Bukit Mertajam for January

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

Data source: Bukit Mertajam 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 Bukit Mertajam Compares to Other Months

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

This table compares monthly weather conditions in Bukit Mertajam, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	28°C (82°F)	155 mm (6.1 inches)	83%	extreme
February Weather	28°C (83°F)	108 mm (4.3 inches)	76%	extreme
March Weather	28°C (83°F)	177 mm (7.0 inches)	74%	extreme
April Weather	28°C (83°F)	255 mm (10.0 inches)	73%	extreme
May Weather	28°C (84°F)	299 mm (11.8 inches)	79%	extreme
June Weather	28°C (83°F)	144 mm (5.7 inches)	85%	extreme
July Weather	28°C (84°F)	125 mm (4.9 inches)	84%	extreme
August Weather	28°C (83°F)	152 mm (6.0 inches)	87%	extreme
September Weather	28°C (82°F)	270 mm (10.6 inches)	89%	extreme
October Weather	28°C (82°F)	319 mm (12.5 inches)	86%	extreme
November Weather	27°C (82°F)	412 mm (16.2 inches)	88%	extreme
December Weather	28°C (82°F)	253 mm (9.9 inches)	90%	extreme