When was the last time there were 5 weekends this month?

To determine when there were 5 weekends in a month, we look for months with 31 days where the 1st falls on a Saturday, Sunday, or Monday. The last occurrence of this was in January 2023, which had 5 weekends (January 7-8, 14-15, 21-22, 28-29) and began on a Sunday.