Other facts from our historical weather data: Does Triunfo have a dry season? Yes, the months of July, August, September, October and November are very dry. Which is the hottest month in Triunfo? November has an average maximum temperature of 35°C (95°F) and is the hottest month of the year. Which is the coolest month in Triunfo? The coolest month is August with an average maximum temperature of 30°C (86°F). Which is the wettest month in Triunfo? March tops the wettest month list with 129mm (5.1 in) of rainfall. Which is the driest month in Triunfo? September is the driest month with 3mm (0.1 in) of precipitation. Which is the sunniest month in Triunfo? October is the sunniest month with an average of 287 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.