If you’re looking forward to lots of outings with your partner, take a look at these details about year-round temperatures in Kuppaayil: The hottest months are usually March and February, with an average temperature of 28°C, while the coldest months are January and December, with an average of 27°C. The rainiest months in Kuppaayil are June, July, August and September, with each month seeing an average of 556 mm of rainfall.