With a population of around 13,200, Sisian sits in Syunik, Armenia. The city operates in the Asia/Yerevan time zone.
In 2025, Sisian recorded an average annual temperature of 49°F. The hottest temperatures reached 92°F in July; the coolest were -0°F in February. Total precipitation for the year was 12 inches, with the wettest month being April. Snowfall for the year totaled approximately 11 inches.
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