With a population of around 5,200, Apotgan sits in Tamuning, GU. The city operates in the Pacific/Guam time zone.
In 2025, Apotgan recorded an average annual temperature of 82°F. The hottest temperatures reached 92°F in June; the coolest were 73°F in March. Total precipitation for the year was 83 inches, with the wettest month being July.
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