About Rosales, Ilocos's Climate & Weather History

Rosales is a city of approximately 67,500 people in Ilocos, Philippines. Located in the Asia/Manila time zone at 15.9°N latitude.

In 2025, Rosales recorded an average annual temperature of 81°F. The hottest temperatures reached 103°F in April; the coolest were 67°F in December. Total precipitation for the year was 118 inches, with the wettest month being July.