Diadi, in Cagayan Valley, Philippines, is home to roughly 15,600 people in the Asia/Manila time zone at 16.7°N latitude.
In 2025, Diadi recorded an average annual temperature of 76°F. The hottest temperatures reached 92°F in June; the coolest were 63°F in March. Total precipitation for the year was 143 inches, with the wettest month being September.
View current conditions and forecast for Diadi · More cities in Cagayan Valley