Other facts from our historical weather data: Which months have the greatest rainfall in Constanza? Most rainfall (rainy season) is seen in April, May, June, August, September and October. Which is the warmest month in Constanza? August has an average maximum temperature of 26°C (79°F) and is the warmest month of the year. Which is the coldest month in Constanza? The coldest month is January with an average maximum temperature of 23°C (73°F). Which is the wettest month in Constanza? May tops the wettest month list with 257mm (10.1 in) of rainfall. Which is the driest month in Constanza? January is the driest month with 56mm (2.2 in) of precipitation. Which is the sunniest month in Constanza? August is the sunniest month with an average of 253 hours of sunshine. 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.