With a population of around 6,900, Trelissac sits in New Aquitaine, France. The city operates in the Central European time zone.
In 2025, Trelissac recorded an average annual temperature of 57°F. The hottest temperatures reached 104°F in August; the coolest were 19°F in January. Total precipitation for the year was 37 inches, with the wettest month being April. Snowfall for the year totaled approximately 1 inches.
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