Other facts from our historical weather data: Which months have the greatest rainfall in Yelwa? Most rainfall (rainy season) is seen in July, August and September. Does Yelwa have a dry season? Yes, the months of January, February, March, November and December are very dry. Which is the hottest month in Yelwa? March has an average maximum temperature of 40°C (104°F) and is the hottest month of the year. Which is the coolest month in Yelwa? The coolest month is December with an average maximum temperature of 30°C (86°F). Which is the wettest month in Yelwa? August tops the wettest month list with 280mm (11 in) of rainfall. Which is the driest month in Yelwa? December is the driest month with 0mm (0 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.