Other facts from our historical weather data: Which is the warmest month in Gol? July has an average maximum temperature of 19°C (66°F) and is the warmest month of the year. Which is the coldest month in Gol? The coldest month is December with an average maximum temperature of -4°C (25°F). Which is the wettest month in Gol? July tops the wettest month list with 115mm (4.5 in) of rainfall. Which is the driest month in Gol? February is the driest month with 48mm (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.