About Diadi, Cagayan Valley

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 averaged an annual temperature of 76°F, with hottest temperatures reaching 92°F in June and lowest around 63°F in March. The city received approximately 143 inches of precipitation during the year.