Other facts from our historical weather data: When is the rainy season in Rattota? Rainy season in Rattota occurs in the months of April, October, November and December. Which is the hottest month in Rattota? April has an average maximum temperature of 32°C (90°F) and is the hottest month of the year. Which is the coolest month in Rattota? The coolest month is February with an average maximum temperature of 28°C (82°F). Which is the wettest month in Rattota? November tops the wettest month list with 292mm (11.5 in) of rainfall. Which is the driest month in Rattota? June is the driest month with 63mm (2.5 in) of precipitation. Which is the sunniest month in Rattota? March is the sunniest month with an average of 198 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.