Quilahuani is a city of approximately 3,200 people in Tacna, Peru. Located in the America/Lima time zone at 17.3°S latitude.
In 2025, Quilahuani recorded an average annual temperature of 51°F. The hottest temperatures reached 69°F in September; the coolest were 33°F in June. Total precipitation for the year was 15 inches, with the wettest month being February.
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