About Jaen, Central Luzon

Jaen is a city of approximately 39,700 people in Central Luzon, Philippines. Located in the Asia/Manila time zone at 15.3°N latitude.

In 2025, Jaen averaged an annual temperature of 81°F, with hottest temperatures reaching 103°F in April and lowest around 68°F in January. The city received approximately 116 inches of precipitation during the year.