I am from the month of December. I am not a holiday. I am the only month that has this. What am I?

Answer: The letter "d" (the first letter of the month).

More Medium Riddles with answers

More Medium Riddles

I am green all over, yet I know no bounds. If you turn me around a face you will see, being without me produces envy. What am I?
I am heard before I am seen. Startled and I am alive. I rumble like thunder, yet I pour like rain. I am felt before I arrive; stand with me and you won't survive. What am I?
I am in a Tiny word. If you remove me I become metal. What am I?
I am in your eye. I am a school child. I am a word of five. What am I?
I am invisible, yet everywhere. Yet I am everywhere, I am not active in some places. Sometimes, you can feel me. I can be so strong, I can push you, and even destroy villages and towns. Yet I come unnoticed, you can make me. What am I?
I am large as a castle, yet lighter than air. 100 men and their horses cannot move me. What am I?
I am not a person nor an animal. I was born from the death of something large and hot. I am capable of consuming anything and everything. I am very dark and exists in a place where there is no gravity. What am I?
I am nothing, I am everything. I am perfect dark, I am the brightest lights. I am hungry, I am full. I am nowhere, I am everywhere. I am unseen, I am watched by millions. What am I?
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I am passed from person to person but no hands are needed. I often change in this exchange. Always changing never remaining the same. What am l?
I am seen in the water and seen in the sky, I am in the rainbow, a jay's feather and lapis lazuli. What am I?
I am something that you can you read but not see. I'm with you all the time but sometimes I'm hard to find. What am I?