Other facts from our historical weather data: When is the rainy season in Khawāsa? Rainy season in Khawāsa occurs in the months of June, July, August and September. Which is the hottest month in Khawāsa? May has an average maximum temperature of 42°C (108°F) and is the hottest month of the year. Which is the coolest month in Khawāsa? The coolest month is January with an average maximum temperature of 28°C (82°F). Which is the wettest month in Khawāsa? July tops the wettest month list with 426mm (16.8 in) of rainfall. Which is the driest month in Khawāsa? December is the driest month with 7mm (0.3 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.