With a population of around 39,300, Mentiri sits in Brunei-Muara District, Brunei. The city operates in the Asia/Brunei time zone.
In 2025, Mentiri recorded an average annual temperature of 81°F. The hottest temperatures reached 97°F in July; the coolest were 72°F in October. Total precipitation for the year was 122 inches, with the wettest month being January.
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