If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Manjakuppam: The hottest months are usually May and June, with an average temperature of 30°C, while the coldest months are January and February, with an average of 26°C. The rainiest months in Manjakuppam are November, October, December and August, with each month seeing an average of 241 mm of rainfall.