The climate in the country is usually warm all through the year with temperatures ranging from 21°C to 32°C in the plains and as low as 16°C in the uplands. The average temperature is 32°C throughout the day and 22°C at nigh, although it is colder in the mountainous areas.
The country has 2 different seasons: monsoon and the dry season. The dry season arises throughout the southwest monsoon from May to September. The weather is humid and hot in the month of September with average temperature of 35°C in the day and 25°C at night. Rainfall throughout this period of the year is minor. The northeast monsoon leads to the rainy season in the middle of November until March. It brings heavy rainfall specifically to the east coast states of western Sarawak and Peninsular Malaysia, while the southwest monsoon usually implies moderately drier climate. In the East coast of Peninsular Malaysia, rains arise from October to February and also in the region of Sabah and Sarawak. Rainfall in the West coast of the country arises between April and November. The rainfall annual average in the country is around 85.8 inches.
The best time for tourist to visit the country is between April and October. The required clothes are lightweight cottons and linens in all through the year and also waterproofing is suitable all year.