If you're looking for summer vibes, the best time to travel to Bergen is in July, June and August, when the average temperature reaches 16.85 °C, while May, June and April are the 3 sunniest months of the year, with an average of 63.5 hours.
However, if you prefer colder temperatures, make sure you visit Bergen during January, February or March to experience an average of -0.96 °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 June, August and September, when the average precipitation in Bergen is 9.75 mm, while the months of January, February and March are drier, with an average of 0 mm.