Other facts from our historical weather data: Which months have the greatest rainfall in Wald am Arlberg? Most rainfall (rainy season) is seen in May, June, July, August and September. When is winter in Wald am Arlberg? The coldest season / winter is in the following months: January, February and December. Which is the warmest month in Wald am Arlberg? July has an average maximum temperature of 18°C (64°F) and is the warmest month of the year. Which is the coldest month in Wald am Arlberg? The coldest month is January with an average maximum temperature of -2°C (28°F). Which is the wettest month in Wald am Arlberg? June tops the wettest month list with 216mm (8.5 in) of rainfall. Which is the driest month in Wald am Arlberg? October is the driest month with 118mm (4.6 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.