Other facts from our historical weather data: Which months have the greatest rainfall in Cradle Mountain? Most rainfall (rainy season) is seen in July, August and September. Which is the warmest month in Cradle Mountain? January has an average maximum temperature of 19°C (66°F) and is the warmest month of the year. Which is the coldest month in Cradle Mountain? The coldest month is August with an average maximum temperature of 9°C (48°F). Which is the wettest month in Cradle Mountain? August tops the wettest month list with 190mm (7.5 in) of rainfall. Which is the driest month in Cradle Mountain? February is the driest month with 82mm (3.2 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.