June – Mauritius as Honeymoon

Hi , my fiance and I are planning to spend 10 days in Mauritius from 23-6 to 3-07 as Honeymoon.I'm wondoring how the weather will be at that time and How much it cost if I need Hotel near or frontside the beach per night ?How much the avargage of activities like snorkeling ! Thanks in adavnce !