Guiuan is a city of approximately 11,000 people in Eastern Visayas, Philippines. Located in the Asia/Manila time zone at 11°N latitude.
In 2025, Guiuan recorded an average annual temperature of 82°F. The hottest temperatures reached 88°F in July; the coolest were 76°F in January. Total precipitation for the year was 150 inches, with the wettest month being November.
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