Shillong is the most paradise honeymoon spot of Meghalaya called as British Scotland of India. Filled with jaw dropping nature, awesome weather it’s an ideal honeymoon spot. June is called as starting of rainy month of Shillong. Though full rains start from mid July, there are downpours with temperature high though not scorching. Here are some best places to visit in June in Shillong
Umiam lake
Laitlum canyons
Sohpetbneng peak
Mawphlang sacred forest
Elephant falls.
You are going to love it. I just came back from there, and in the process of writing guides and blog posts on Meghalaya. You can DM me so that I can keep you posted.