Climate Overview
Brunei has a highly diverse climate, with major differences between regions. Annual temperatures range from lows of -77°C in the coldest regions to highs of 28°C in the warmest areas. Annual precipitation ranges from 1mm in drier regions to 393mm in wetter parts of the country. Some regions receive significant snowfall, with up to 108cm annually, while other areas see little to none. The warmest areas are hot year-round while the coldest regions remain very cold, making Brunei a country of sharp climate contrasts.
Temperature by Region
Temperature patterns across Brunei vary by region, with distinct differences between areas. The West is the warmest part of the country, with peak temperatures reaching 28°C and an annual average of 27°C. Cooler conditions are found in the West, where winter lows drop to -77°C and an annual average of -66°C. This 93°C difference in annual averages between regions means travellers can experience vastly different conditions depending on which part of Brunei they visit. The biggest regional differences emerge in summer, with up to 95°C variation across the country. For example, Liang in the Belait averages 27°C annually, while Kuala Belait in the Belait averages -66°C.
Precipitation by Region
Brunei sees notable variation in rainfall across its regions, ranging from 1mm to 393mm per year. The Northwest receives the most rainfall, at approximately 393mm annually. The West is the driest, with around 1mm per year. Rainfall is distributed fairly evenly across the seasons, with no strong wet or dry period in most regions. The Northwest sees the most snowfall, with up to 108cm annually, while other parts of the country receive little to none. Travellers should pack rain gear when visiting wetter areas, while drier regions offer more favourable conditions throughout the year.