Bukit Mertajam

With a substantial population, Bukit Mertajam is an important regional centre in Penang, Malaysia — weather conditions here shape daily life for tens of thousands of residents.

Being close to the equator, Bukit Mertajam experiences a tropical rainforest climate: very warm, very humid and rainy year-round. Daytime temperatures sit between 30°C and 33°C almost every day, and rain is a regular part of life — often in the form of short but heavy afternoon storms.

During the rainy season, Bukit Mertajam can see several centimetres of rain in a single afternoon. Storms often arrive late in the day and clear by evening, leaving humid but cooler conditions overnight.

Visitors looking for the best weather in Bukit Mertajam should aim for the November–February window, when the monsoon has passed and humidity drops noticeably.

For the most accurate up-to-the-minute weather in Bukit Mertajam, see the live current conditions, hourly and 7-day forecast sections above.