Other facts from our historical weather data: Which months have the greatest rainfall in Gandhinagar? Most rainfall (rainy season) is seen in July and August. Which is the hottest month in Gandhinagar? 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 Gandhinagar? The coolest month is January with an average maximum temperature of 28°C (82°F). Which is the wettest month in Gandhinagar? July tops the wettest month list with 313mm (12.3 in) of rainfall. Which is the driest month in Gandhinagar? April is the driest month with 1mm (0 in) of precipitation. Which is the sunniest month in Gandhinagar? May is the sunniest month with an average of 329 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.