Other facts from our historical weather data: Which months have the greatest rainfall in Cogolo? Most rainfall (rainy season) is seen in May, June, July and August. Which is the warmest month in Cogolo? 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 Cogolo? The coldest month is January with an average maximum temperature of -4°C (25°F). Which is the wettest month in Cogolo? July tops the wettest month list with 194mm (7.6 in) of rainfall. Which is the driest month in Cogolo? January is the driest month with 53mm (2.1 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.