February has 28 days normally and 29 days in leap years. April, June, September, and November all have 30 days each.
more than 4 less than 5 months usually have 30 or 31 days 146/30 for example = 4.87 months slightly less if 31 days so about 4 months 3 weeks
Count your knuckles. the hump are the months with 31 days, and the spaces are the months that have less than 31 days. February is the only month that has 28 or 29 days.
Some months have 28 days (29 in a Leap Year), others have 30 or 31 days. The average is just less than 30½ days. 119 days is therefore about 2 days less than 4 months.
Febuary, April, June, September, and November.
The probability is 7:12... There are five months with less than 31 days, so the probability of selecting a month with exactly 31 days is 7 out of 12.
7 of the months in a year are 31 days long, which is of course the maximum. One might be tempted to say 30.5 was the median, since then half the months are strictly longer; but then only 5 months are shorter, which is less than half. So I would prefer to say that 31 is the median, since half the months are greater than or equal, and half are less than or equal to the median.
If by "only 31 days" you mean "exactly 31 days", then 7. If by "only 31 days" you mean "not more than 31 days" then all of them.
More than three months have 30 days in it. The months are April, June, August, and November. All other months (besides February) have 31 days in them.
It 31 days in this months
In a leap year, there are 186 days in the 31 day months and 180 days in the other months, so that is a difference of 6 days.
5 months don't have 31 days, 7 months do. February has 28, or 29 in leap years. April, June, September, and November have 30 days.
In the order they appear through the year, the months that have 31 days are:JanuaryMarchMayJulyAugustOctoberDecember