Months that have 31 days are: January, March, May, July, August, October, December.

Does December have 30 or 31 days?

The 12 Months

February – 28 days in a common year and 29 days in leap years. March – 31 days. April – 30 days. ... December – 31 days.

Does December have 31 days in it?

December is the twelfth and final month of the year in the Julian and Gregorian calendars. It is also the last of seven months to have a length of 31 days.