With a population of around 5,800, Mbumburu sits in Honiara, SB. The city operates in the Pacific/Guadalcanal time zone.
In 2025, Mbumburu recorded an average annual temperature of 79°F. The hottest temperatures reached 93°F in September; the coolest were 71°F in July. Total precipitation for the year was 98 inches, with the wettest month being February.
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