Kota Kinabalu's climate borders between a tropical Monsoon climate and a tropical rainforest climate. Two prevailing monsoons characterise the climate of this part of Sabah, the Northeast Monsoon and the Southwest Monsoon. The Northeast Monsoon occurs between November and March, while the Southwest Monsoon occurs between May and September. There are also two successive inter-monsoons from April to May and from September to October. Temperature variation throughout the year is small. However, April and May are generally the hottest months, while December and January are often the coolest. However, rainfall varies markedly through the year. February and March are typically the driest months while rainfall peaks in the inter-monsoon period around October. Relatively humidity is quite high throughout the year.
