Other facts from our historical weather data: Which months have the greatest rainfall in Heiligenblut? Most rainfall (rainy season) is seen in June, July and August. Which is the warmest month in Heiligenblut? August has an average maximum temperature of 17°C (63°F) and is the warmest month of the year. Which is the coldest month in Heiligenblut? The coldest month is January with an average maximum temperature of -4°C (25°F). Which is the wettest month in Heiligenblut? July tops the wettest month list with 205mm (8.1 in) of rainfall. Which is the driest month in Heiligenblut? January is the driest month with 81mm (3.2 in) of precipitation. Which is the sunniest month in Heiligenblut? July is the sunniest month with an average of 178 hours of sunshine. 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.