The climate in Malaysia is equatorial, hot and humid, subject to monsoon rains. The north-east monsoon brings heavy rains between October and February along the east coast of Peninsular Malaysia, in the north east Sabah and west Sarawak. On the west coast of Peninsular Malaysia, the monsoon brings rains between September and December. In several areas of the country there are two distinct rainy season between March and May and between September and November. 

The monsoon of south-west blowing between June and September, and particularly affects the south-west coast of Sabah, this monsoon is less humid than the north-east monsoon. Peninsular Malaysia receives an annual average of around 2,500 mm of rain, in the highlands, rainfall is more, arriving in Maxwell's Hill to 5000 mm per year, also the Malaysian Borneo in some areas exceeds 5,000 mm of rain a year. Temperatures vary little from season to season and even between day and night changes are minimal. The minimum temperatures are above 20°C while the maximum temperature exceeds 30°C throughout the year. 

The capital Kuala Lumpur is hot and humid all year round, with well-distributed rains, but with maximum rainfall during the months between March and April and between September and November, the rain falls often in the form of intense downpours afternoon. The relatively driest months are those of June and July.

The best time to travel to Malaysia are the months between May and September.