Other facts from our historical weather data: When is the rainy season in Rājahmundry? Rainy season in Rājahmundry occurs in the months of June, July, August and September. Does Rājahmundry have a dry season? Yes, the months of January, February, March and December are very dry. Which is the hottest month in Rājahmundry? May has an average maximum temperature of 39°C (102°F) and is the hottest month of the year. Which is the coolest month in Rājahmundry? The coolest month is January with an average maximum temperature of 31°C (88°F). Which is the wettest month in Rājahmundry? July tops the wettest month list with 243mm (9.6 in) of rainfall. Which is the driest month in Rājahmundry? January is the driest month with 9mm (0.4 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.