Simen, in Gansu, China, is home to roughly 27,200 people in the China Standard Time zone at 34.6°N latitude.
In 2025, Simen recorded an average annual temperature of 51°F. The hottest temperatures reached 91°F in July; the coolest were 6°F in January. Total precipitation for the year was 27 inches, with the wettest month being October. Snowfall for the year totaled approximately 7 inches.
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