If you're looking for summer vibes, the best time to travel to Lucerne is in June, July and August, when the average temperature reaches 21.79 °C, while July, August and June are the 3 sunniest months of the year, with an average of 86.52 hours.
However, if you prefer colder temperatures, make sure you visit Lucerne during January, February or December to experience an average of -1.83 °C.
For those who don't care too much about temperatures, but want to avoid getting wet in the rain, it's important to avoid travelling during January, February and April, when the average precipitation in Lucerne is 6.75 mm, while the months of January, February and March are drier, with an average of 0 mm.