Oas is a city of approximately 64,900 people in Bicol Region, Philippines. Located in the Asia/Manila time zone at 13.3°N latitude.
In 2025, Oas recorded an average annual temperature of 80°F. The hottest temperatures reached 97°F in April; the coolest were 66°F in February. Total precipitation for the year was 119 inches, with the wettest month being September.
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