About Siari, Zamboanga Peninsula's Climate & Weather History

With a population of around 3,500, Siari sits in Zamboanga Peninsula, Philippines. The city operates in the Asia/Manila time zone.

In 2025, Siari recorded an average annual temperature of 80°F. The hottest temperatures reached 91°F in July; the coolest were 72°F in January. Total precipitation for the year was 132 inches, with the wettest month being August.