>>> How many months have 28 days? - elapsed 1.566 seconds - There are seven months that have 28 days: January, March, May, July, August, October, and December. These months are interspersed throughout the year, with January and December being at the beginning and end, respectively, while the others are evenly distributed in between. The remaining four months of the year have either 30 or 31 days. January, being the first month of the year, has 28 days, while December, the last month, also has 28 days. The other five months with 28 days are spaced out throughout the year, providing a mix of longer and shorter months.