Other facts from our historical weather data: Which months have the greatest rainfall in Guntūr? Most rainfall (rainy season) is seen in July, August and September. Does Guntūr have a dry season? Yes, the months of January, February, March, April and December are very dry. Which is the hottest month in Guntūr? May has an average maximum temperature of 41°C (106°F) and is the hottest month of the year. Which is the coolest month in Guntūr? The coolest month is December with an average maximum temperature of 31°C (88°F). Which is the wettest month in Guntūr? September tops the wettest month list with 191mm (7.5 in) of rainfall. Which is the driest month in Guntūr? January is the driest month with 8mm (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.