Other facts from our historical weather data: Which is the warmest month in Tolga? 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 Tolga? The coldest month is January with an average maximum temperature of -4°C (25°F). Which is the wettest month in Tolga? July tops the wettest month list with 110mm (4.3 in) of rainfall. Which is the driest month in Tolga? March is the driest month with 47mm (1.9 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.