With a population of around 1,200, Sis sits in Ararat, Armenia. The city operates in the Asia/Yerevan time zone.
In 2025, Sis recorded an average annual temperature of 57°F. The hottest temperatures reached 107°F in August; the coolest were 16°F in December. Total precipitation for the year was 8 inches, with the wettest month being April. Snowfall for the year totaled approximately 3 inches.
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