If you’re seeking a sunny getaway, the ideal months to visit Lannion are June, July and August. During this time, the average temperature soars to 20.4 °C. Additionally, the sun shines brightest in July, June, and May, which are the top three sunniest months of the year, offering an impressive average of 88.06 hours of sunshine daily.
On the other hand, if you prefer cooler weather, consider planning your trip to Lannion during the months of January, February and March. During these months, the average temperature is 3.72 °C.
For travelers who are less concerned about temperature but want to stay dry, it's wise to steer clear of visiting during January, March and April. During these months, the average precipitation in Lannion reaches 3.75 mm. In contrast, the months of January, February and March, are much drier, averaging 0 mm of rainfall.