month
The Italian word 'mese' is used to refer to each of the twelve named periods into which a year is divided. It is used in similar contexts as the English equivalent 'month', for example: 'il prossimo mese' means 'next month', and 'questo mese' means 'this month'.
This month is very busy for me.
This sentence means you have a lot of tasks or appointments in this current month, and have very little free time.
Last month was very nice.
This sentence is used to reflect on past events during the previous month, and expresses positive feelings towards it.
What month are we in?
This sentence is used to ask the current date, specifically, the month. It's a colloquial way to ask the date.