There is no particular month, but summer time is most popular.
Europe
The month that has the most popular birthdays is october and August.
Football (soccer), scuba diving, windsurfing, and sailing are the most popular sports in Saudi Arabia.
APRIL!
August
Europe
Usually the most popular is the pet of the month, it is cheaper, and you get extra items for it.
April and December are usually the most popular, at least when visiting Mexico.
August
January.
December
Febuary?