Lanna, in Cagayan Valley, Philippines, is home to roughly 3,400 people in the Asia/Manila time zone at 17.7°N latitude.
In 2025, Lanna recorded an average annual temperature of 79°F. The hottest temperatures reached 97°F in May; the coolest were 67°F in January. Total precipitation for the year was 110 inches, with the wettest month being November.
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