Lannion, in Brittany, France, is home to roughly 21,500 people in the Central European time zone at 48.7°N latitude.
In 2025, Lannion recorded an average annual temperature of 55°F. The hottest temperatures reached 92°F in June; the coolest were 29°F in January. Total precipitation for the year was 42 inches, with the wettest month being January. Snowfall for the year totaled approximately 2 inches.
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