Other facts from our historical weather data: What is the temperature like year round in Ruhengeri? It has mild temperatures all year round ranging between 21°C (70°F) and 22°C (72°F). Which is the warmest month in Ruhengeri? August has an average maximum temperature of 23°C (73°F) and is the warmest month of the year. Which is the coldest month in Ruhengeri? The coldest month is July with an average maximum temperature of 22°C (72°F). Which is the wettest month in Ruhengeri? March tops the wettest month list with 403mm (15.9 in) of rainfall. Which is the driest month in Ruhengeri? July is the driest month with 44mm (1.7 in) of precipitation. Which is the sunniest month in Ruhengeri? July is the sunniest month with an average of 171 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.