Light airy cottons. Shorts. Sandals. Sun glasses. Floppy cotton hats. Sunscreen. Good old umbrella. Rains arrive unfailingly in June and so be prepared.
This year the heat has been quite extreme. So carry plenty of drinking water. Take frequent breaks during your journey. Tender Coconut water. Kids ought to avoid the sun - especially between 10 a.m. - 4 p.m. The rains can waylay your best summer plans. Frequent summer rains plus the flowing monsoons.