Answer:
What happens once in June twice in August and never in May?
I come without being fetched at night, hide away as soon as daylight strikes. Although I may look small, I am much mightier than what you can imagine. What am I?
I cannot be bought, cannot be sold, even if I'm sometimes made of gold. What am I?
I am whole but incomplete. I have no eyes, yet I see. My largest part is one fourth of what I once was. What am I?
The eight of us go forth not back to protect our king from a foe's attack. What are we?
I am your mother's brother's only brother in law. Who am I?