In 2010, Derek Jeter had a .270 batting average.
As of August 2011, Derek Jeter's lifetime batting average is .313.
Derek Jeter's highest batting average was .349, it was the 1999 season.
Through 2009, Derek Jeter had a .317 batting average.
In 2012, Derek Jeter finished the season with a .316batting average.
In 2011, Derek Jeter finished the season with a .297batting average.
Derek Jeter batted .300 in 2008.
Through 2009, Derek Jeter has a .313 post season batting average.
In 2010, Derek Jeter finished the season with a .270 batting average, in 2011 he had a .297 average.
.450
As far as the major leagues go, Derek Jeter's highest batting average was .349, it was the 1999 season.
Derek Jeter has a career .310 hitting average in world series play through october 1, 2009