How many months have 28 days? Unique Amazon Quiz Answer in 2021 March 30, 2022August 1, 2021 by Ajjplay 5/5 - (1 vote) Contents show 1. How many months have 28 days? 2. Options:A. 1B. 12C. 7D. 4How many months have 28 days? Options:A. 1B. 12C. 7D. 4 Answer: (B) 12 12 months have 28 days.