About Basco, Cagayan Valley's Climate & Weather History

With a population of around 9,600, Basco sits in Cagayan Valley, Philippines. The city operates in the Asia/Manila time zone.

In 2025, Basco recorded an average annual temperature of 79°F. The hottest temperatures reached 88°F in June; the coolest were 66°F in February. Total precipitation for the year was 89 inches, with the wettest month being July.