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The climate of Brunei
The sultanate of Brunei, better known as Brunei is located on the island of Borneo. The country consists of two parts. The western part mainly has a flat landscape, the eastern part (Temburong district) has a more mountainous landscape. The highest point of the sultanate is situated In the southern part: Mount Bukit Pagon with an altitude of 1,850 meters.


Tropical climate
Brunei has a tropical rainforest climate (type Af according to the Köppen Geiger climate classification) with both high temperatures and high precipitation figures all year round. The higher regions in the Temburong district have a transitional climate. These regions do not meet the criteria to be classified as the Af climate type. Most sources state that this region has a wet subtropical climate.

In the northerly located regions of Brunei average daytime temperatures are between 29-33 degrees Celsius (84-91 degrees Fahrenheit) all year round. The coldest months are November, December and January. From April the warmest days can be recorded. During the night temperatures hardly ever rise below 21 degrees Celsius (70 degrees Fahrenheit). Minimum temperatures are between 22-25 degrees Celsius (72-77 degrees Fahrenheit) on average. In the southern part of Brunei temperatures are slightly lower. Temperatures hardly ever rise above 37 degrees Celsius (98 degrees Fahrenheit). However, temperatures this high are fairly uncommon. Because of high humidity figures it may feel warmer than it actually is.

In Brunei precipitation always falls in the form of rain. Hail, glazed frost and snowfall do not occur in Brunei. Annual precipitation figures in Brunei are around 3,000 millimeters. There are no real dry periods in Brunei, precipitation figures are fairly high all year round. Brunei has two monsoon periods. The northeast has a monsoon from December till February, the southwest from June till October.

Borneo is located south of the major supply route of hurricanes which form over the Pacific Ocean. Because hurricanes move away from the equator there is no risk of hurricanes in Brunei. Other phenomena such as tidal waves, earthquakes and tsunamis are also uncommon.

Climate figures
The figures below are based on long term weather and climate records. They are an average for Brunei.
Local deviations may occur

temperature (°C)


temperature (°C)
hours of sunshine

average days with precipitation
per month
per month
temperature (°C)
January 30 23 6 19 28
February 31 23 7 14 27
March 32 23 7 13 28
April 32 24 8 16 29
May 32 24 8 19 30
June 32 23 7 17 30
July 32 23 7 17 30
August 32 23 7 16 29
September 32 23 6 21 29
October 32 23 7 22 29
November 31 23 7 24 29
December 31 23 7 23 28
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-2 inches ● = 2-12 inches ● = 12-24 inches ● = 25-40 inches ● = 41-80 inches ● = over 80 inches

More climate information
Climate figures are very useful but don’t present a general impression of the climate and the eventual weather circumstances within a certain period. The figures don’t always reflect the chance of wintry weather, extreme heat or hurricanes. That is why we offer useful extra climate information for each month of the year:

chance of
(very) hot


chance of
(very) cool
chance of

chance of
chance of
sunny days


click here for the explanation of the symbols


The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.


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