Tropical without extremely high temperatures. Days are very warm and often humid, while nights are fairly cool. The main rainy season in the east runs between November and February, while August is the wettest period on the west coast. East Malaysia has heavy rains (November to February) in Sabah and in Sarawak. However, it is difficult to generalise about the country's climate, as rainfall differs on the east and west coasts according to the prevailing monsoon winds (northeast or southwest). Average daytime temperatures in Kuala Lumpur are around 27°C (82°F) year round.

Lightweight clothes are worn throughout the year. Waterproofing is advisable all year.