Fewer than ten.
The U.S. has 1,200 to 1,300 recorded tornadoes in an average year.
On average there are about 57 tornadoes a year
over a 1000 and a 1000 tornadoes are on average per year
Georgia averages about 29 tornadoes per year.
an average of 20 tornadoes per year
It varies from year to year, but on average California gets 11 tornadoes annually.
It varies, but in an average year there are about 1,200 confirmed tornadoes in the U.S.
The U.S.averages between 1,200 and 1,300 tornadoes per year.
Main averages 2 tornadoes per year.
On average tornadoes kill about 60 people each year.
On average, New Zealand experiences 20 tornadoes per year.
About 1000 on average