Other facts from our historical weather data: Which is the warmest month in Gudvangen? July has an average maximum temperature of 17°C (63°F) and is the warmest month of the year. Which is the coldest month in Gudvangen? The coldest month is December with an average maximum temperature of -1°C (30°F). Which is the wettest month in Gudvangen? January tops the wettest month list with 208mm (8.2 in) of rainfall. Which is the driest month in Gudvangen? May is the driest month with 107mm (4.2 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.