Other facts from our historical weather data: When is the rainy season in Dimaro? Rainy season in Dimaro occurs in the months of May, June, July and August. When is winter in Dimaro? The coldest season / winter is in the following months: January, February and December. Which is the warmest month in Dimaro? 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 Dimaro? The coldest month is January with an average maximum temperature of -2°C (28°F). Which is the wettest month in Dimaro? July tops the wettest month list with 220mm (8.7 in) of rainfall. Which is the driest month in Dimaro? January is the driest month with 51mm (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.