Yes. It is more reward able to perform umrah in the month of Ramadan

Actually I think it's you have to shave you head before going to Umrah and it is obligatory.

hajj or umrah

Umrah word is derived from the arabic word "Itimaat" which meaning is "visit". In Umrah Muslim pilgrims visit the Holy city of Makkah where they perform some steps, 1. Ihram. 2. Tawaaf. 3. Sa'ee. 4. Shaving Head/Trimming Hairs.

There are high merit and excellence of this Sunnah and when one performs Umrah in the month of Ramadan