Other facts from our historical weather data: Which is the warmest month in Bø i Vesterålen? July has an average maximum temperature of 15°C (59°F) and is the warmest month of the year. Which is the coldest month in Bø i Vesterålen? The coldest month is February with an average maximum temperature of 3°C (37°F). Which is the wettest month in Bø i Vesterålen? October tops the wettest month list with 151mm (5.9 in) of rainfall. Which is the driest month in Bø i Vesterålen? June is the driest month with 67mm (2.6 in) of precipitation. No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.