Extramarital affairs vary in duration. About 50% may last between one month to a year. Long term affairs may last for about 15 months or more. And about 30% of affairs last about two years and beyond.

How long do affairs last on average?

The length of extramarital affairs varies- about 50% may last between the period of one month to a year affair, long term affairs may last for about 15months or more, and about 30% of affairs last about two years and beyond.