Other facts from our historical weather data: Which months have the greatest rainfall in Gemena? Most rainfall (rainy season) is seen in April, August, September and October. Which is the hottest month in Gemena? February has an average maximum temperature of 34°C (93°F) and is the hottest month of the year. Which is the coolest month in Gemena? The coolest month is January with an average maximum temperature of 30°C (86°F). Which is the wettest month in Gemena? October tops the wettest month list with 195mm (7.7 in) of rainfall. Which is the driest month in Gemena? January is the driest month with 30mm (1.2 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.